T. Bourne

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Sonographic prediction of malignancy in adnexal masses using multivariate logistic regression analysis

A. Tailor, D. Jurkovic, T. Bourne, 1997, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A Mathematical Model for Interpretable Clinical Decision Support with Applications in Gynecology

Stephen P. Boyd, J. Suykens, T. Bourne, 2012, PloS one.

Functional linear discriminant analysis: a new longitudinal approach to the assessment of embryonic growth.

T. Bourne, B. De Moor, D. Timmerman, 2009, Human reproduction.

The use of a new logistic regression model for predicting the outcome of pregnancies of unknown location.

T. Bourne, D. Timmerman, S. Van Huffel, 2004, Human reproduction.

A Prospective International Lung Ultrasound Analysis Study in Tertiary Maternity Wards During the Severe Acute Respiratory Syndrome Coronavirus 2 Pandemic

T. Bourne, D. Timmerman, J. Deprest, 2020, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Simple ultrasound‐based rules for the diagnosis of ovarian cancer

D. Jurkovic, T. Bourne, B. van Calster, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

External Validation of Diagnostic Models to Estimate the Risk of Malignancy in Adnexal Masses

T. Bourne, B. van Calster, D. Timmerman, 2011, Clinical Cancer Research.

Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies.

T. Bourne, B. van Calster, D. Timmerman, 2013, Human reproduction.

Logistic regression model to distinguish between the benign and malignant adnexal mass before surgery: a multicenter study by the International Ovarian Tumor Analysis Group.

T. Bourne, W. Collins, B. van Calster, 2005, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Validation of models to diagnose ovarian cancer in patients managed surgically or conservatively: multicentre cohort study

T. Bourne, B. van Calster, D. Timmerman, 2020, BMJ.

Clinical Utility of Risk Models to Refer Patients with Adnexal Masses to Specialized Oncology Care: Multicenter External Validation Using Decision Curve Analysis

Dirk Timmerman, Jan Y Verbakel, Tom Bourne, 2017, Clinical Cancer Research.

Morcellation and risk of malignancy in presumed ovarian fibromas/fibrothecomas.

T. Bourne, B. van Calster, D. Timmerman, 2016, The Lancet. Oncology.

Practical guidance for applying the ADNEX model from the IOTA group to discriminate between different subtypes of adnexal tumors

T. Bourne, B. van Calster, D. Timmerman, 2015, Facts, views & vision in ObGyn.

Imaging techniques for the pre-surgical diagnosis of adnexal tumours.

T. Bourne, D. Timmerman, V. Vandecaveye, 2014, Best practice & research. Clinical obstetrics & gynaecology.

Presurgical diagnosis of adnexal tumours using mathematical models and scoring systems: a systematic review and meta-analysis.

Dirk Timmerman, Tom Bourne, Kirsten Van Hoorde, 2014, Human reproduction update.

Strategies to diagnose ovarian cancer: new evidence from phase 3 of the multicentre international IOTA study

D Timmerman, I Vergote, L Wynants, 2014, British Journal of Cancer.

Improving strategies for diagnosing ovarian cancer: a summary of the International Ovarian Tumor Analysis (IOTA) studies

J. Kaijser, C. Van Holsbeke, L. Valentin, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Characterizing Ovarian Pathology: Refining the Performance of Ultrasonography

T. Bourne, B. van Calster, D. Timmerman, 2012, International Journal of Gynecologic Cancer.

Preoperative identification of a suspicious adnexal mass.

T. Bourne, B. van Calster, D. Timmerman, 2012, Gynecologic oncology.

Triaging women with ovarian masses for surgery: observational diagnostic study to compare RCOG guidelines with an International Ovarian Tumour Analysis (IOTA) group protocol

T. Bourne, B. van Calster, D. Timmerman, 2012, BJOG : an international journal of obstetrics and gynaecology.

Imaging in gynecological disease (7): clinical and ultrasound features of Brenner tumors of the ovary

T. Bourne, D. Timmerman, L. Valentin, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Key findings from the International Ovarian Tumor Analysis (IOTA) study: an approach to the optimal ultrasound based characterisation of adnexal pathology

T. Bourne, B. van Calster, D. Timmerman, 2012, Australasian journal of ultrasound in medicine.

Effect of cancer prevalence on the use of risk‐assessment cut‐off levels and the performance of mathematical models to distinguish malignant from benign adnexal masses

D. Jurkovic, T. Bourne, B. De Moor, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Improving the preoperative classification of adnexal masses as benign or malignant by second‐stage tests

D. Jurkovic, T. Bourne, B. De Moor, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

ExternalValidationofDiagnosticModelstoEstimate theRisk of Malignancy in Adnexal Masses

S. Huffel, T. Bourne, D. Timmerman, 2011 .

Acoustic streaming cannot discriminate reliably between endometriomas and other types of adnexal lesion: a multicenter study of 633 adnexal masses

D. Jurkovic, T. Bourne, V. Van Belle, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Characterising pelvic masses using ultrasound.

T. Bourne, A. Testa, 2009, Best practice & research. Clinical obstetrics & gynaecology.

Imaging in gynaecology: How good are we in identifying endometriomas?

T. Bourne, B. van Calster, D. Timmerman, 2009, Facts, views & vision in ObGyn.

Ultrasound Experience Substantially Impacts on Diagnostic Performance and Confidence when Adnexal Masses Are Classified Using Pattern Recognition

D. Jurkovic, T. Bourne, B. De Moor, 2009, Gynecologic and Obstetric Investigation.

Discrimination between benign and malignant adnexal masses by specialist ultrasound examination versus serum CA-125.

Patrick Neven, Sabine Van Huffel, Dirk Timmerman, 2007, Journal of the National Cancer Institute.

Inclusion of CA-125 does not improve mathematical models developed to distinguish between benign and malignant adnexal tumors.

Sabine Van Huffel, Dirk Timmerman, Ignace Vergote, 2007, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Subjective assessment of adnexal masses with the use of ultrasonography: an analysis of interobserver variability and experience

D. Timmerman, T. Bourne, W. Collins, 1999, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A comparison of methods for preoperative discrimination between malignant and benign adnexal masses: the development of a new logistic regression model.

W P Collins, D Timmerman, I Vergote, 1999, American journal of obstetrics and gynecology.

Artificial neural network models for the preoperative discrimination between malignant and benign adnexal masses

J Vandewalle, W P Collins, D Timmerman, 1999, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Sonographic prediction of malignancy in adnexal masses using an artificial neural network

Davor Jurkovic, A. Tailor, D. Jurkovic, 1999, British journal of obstetrics and gynaecology.

Terms, definitions and measurements to describe the sonographic features of adnexal tumors: a consensus opinion from the International Ovarian Tumor Analysis (IOTA) group

T. Bourne, D. Timmerman, L. Valentin, 2000, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Distinguishing the benign and malignant adnexal mass: an external validation of prognostic models. Letters to the Editor

T. Bourne, W. Collins, D. Timmerman, 2001 .

Re: Mol et al. Distinguishing the benign and malignant adnexal mass: an external validation of prognostic models. Gynecol Oncol 2001;80:162-7.

W P Collins, D Timmerman, I Vergote, 2001, Gynecologic oncology.

Ultrasound, macroscopic and histological features of malignant ovarian tumors

T. Bourne, D. Timmerman, L. Valentin, 2020, International Journal of Gynecological Cancer.

O-RADS US Risk Stratification and Management System: A Consensus Guideline from the ACR Ovarian-Adnexal Reporting and Data System Committee.

T. Bourne, D. Timmerman, C. Reinhold, 2019, Radiology.

of myometrium and uterine masses : a consensus opinion from the Morphological Uterus

B. Moor, T. Bourne, D. Timmerman, 2018 .

TERMS AND DEFINITIONS FOR DESCRIBING MYOMETRIAL PATHOLOGY USING ULTRASONOGRAPHY

B. Moor, T. Bourne, D. Timmerman, 2016 .

Systematic approach to sonographic evaluation of the pelvis in women with suspected endometriosis, including terms, definitions and measurements: a consensus opinion from the International Deep Endometriosis Analysis (IDEA) group

D. Jurkovic, T. Bourne, D. Timmerman, 2016, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Terms, definitions and measurements to describe sonographic features of myometrium and uterine masses: a consensus opinion from the Morphological Uterus Sonographic Assessment (MUSA) group

T. Bourne, B. De Moor, D. Timmerman, 2015, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Changes seen in the ultrasound features of a presumed decidualised ovarian endometrioma mimicking malignancy

T. Bourne, Y. Abdallah, C. Stalder, 2012, Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology.

Terms, definitions and measurements to describe the sonographic features of the endometrium and intrauterine lesions: a consensus opinion from the International Endometrial Tumor Analysis (IETA) group

D Timmerman, T Bourne, T. Bourne, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Diagnostic criteria for nonviable pregnancy early in the first trimester.

Tom Bourne, Michael Blaivas, K. Barnhart, 2013, The New England journal of medicine.

Insights into the hyperglycosylation of human chorionic gonadotropin revealed by glycomics analysis

T. Bourne, A. Dell, M. Seckl, 2020, PloS one.

Interobserver agreement in assessment of polycystic ovarian morphology using pattern recognition

T. Bourne, B. De Moor, D. Timmerman, 2016, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Predicting the outcome of pregnancies of unknown location: Bayesian networks with expert prior information compared to logistic regression.

S Van Huffel, D Timmerman, B De Moor, 2006, Human reproduction.

The clinical performance of the M4 decision support model to triage women with a pregnancy of unknown location as at low or high risk of complications.

T. Bourne, B. van Calster, D. Timmerman, 2016, Human reproduction.

Does a prediction model for pregnancy of unknown location developed in the UK validate on a US population?

K. Barnhart, T. Bourne, B. van Calster, 2010, Human Reproduction.

Reply: Ultrasound diagnosis of ectopic pregnancy

T. Bourne, E. Kirk, G. Condous, 2007 .

The accuracy of transvaginal ultrasonography for the diagnosis of ectopic pregnancy prior to surgery.

T. Bourne, D. Timmerman, S. Van Huffel, 2005, Human reproduction.

Association of ovarian malignancy with expression of platelet-derived endothelial cell growth factor.

T. Bourne, W. Collins, S. Campbell, 1994, Journal of the National Cancer Institute.

Changes in Cesarean section scar dimensions during pregnancy: a prospective longitudinal study

T. Bourne, D. Timmerman, A. Daemen, 2013, Ultrasound in Obstetrics and Gynecology.

Ultrasound‐based risk model for preoperative prediction of lymph‐node metastases in women with endometrial cancer: model‐development study

T. Bourne, B. van Calster, D. Timmerman, 2019, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Clinical implications of intra‐ and interobserver reproducibility of transvaginal sonographic measurement of gestational sac and crown–rump length at 6–9 weeks' gestation

S. Van Huffel, D. Van Schoubroeck, D. Timmerman, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Diagnostic Criteria for Nonviable Pregnancy Early in the First Trimester

T. Bourne, P. Doubilet, M. Blaivas, 2014, Ultrasound quarterly.

Radiologists in Ultrasound Multispecialty Panel on Early First Trimester Diagnosis of Miscarriage and Exclusion of a Viable Intrauterine Pregnancy *

T. Bourne, P. Doubilet, M. Blaivas, 2013 .

Managing early pregnancy loss: diagnosing miscarriage is not as easy at you might think

T. Bourne, S. Datta, K. Kunde, 2012 .

Pregnancy of unknown viability or location: less is more in the majority of cases

T. Bourne, N. Raine-Fenning, A. Horne, 2011, Journal of Family Planning and Reproductive Health Care.

A model and scoring system to predict outcome of intrauterine pregnancies of uncertain viability

T. Bourne, V. Van Belle, D. Timmerman, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Limitations of current definitions of miscarriage using mean gestational sac diameter and crown–rump length measurements: a multicenter observational study

T. Bourne, D. Timmerman, C. Bottomley, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Psychological impact of screening for familial ovarian cancer.

T. Bourne, W. Collins, S. Campbell, 1993, Journal of the National Cancer Institute.

Accuracy of peritoneal fluid measurements by transvaginal ultrasonography

T. Bourne, D. Timmerman, P. Lewi, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound screening for familial ovarian cancer

T. Bourne, W. Collins, S. Campbell, 1991, Gynecologic oncology.

Screening for ovarian cancer by transvaginal sonography and colour Doppler.

T. Bourne, S. Campbell, E. Bradley, 1993, European journal of obstetrics, gynecology, and reproductive biology.

Association between hyperemesis gravidarum and psychological symptoms, psychosocial outcomes and infant bonding: a two-point prospective case–control multicentre survey study in an inner city setting

T. Bourne, C. Bottomley, A. Tobías, 2020, BMJ Open.

The use of ultrasound‐based ‘soft markers’ for the prediction of pelvic pathology in women with chronic pelvic pain—can we reduce the need for laparoscopy?

S. Huffel, T. Bourne, D. Timmerman, 2006, BJOG : an international journal of obstetrics and gynaecology.

Flawed external validation study of the ADNEX model to diagnose ovarian cancer

D Timmerman, B Van Calster, T Bourne, 2016, Gynecologic oncology reports.

The endometrium in breast cancer patients on tamoxifen

T. Bourne, M. Dören, G. Dallenbach-Hellweg, 2000, Archives of Gynecology and Obstetrics.

Lack of evidence from HPLC 32P-post-labelling for tamoxifen-DNA adducts in the human endometrium.

T. Bourne, P. Neven, D. Phillips, 1999, Carcinogenesis.

Ultrasound in gynecology: endometrium

T. Bourne, L. Hamberger, S. Granberg, 1997, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

Uterine and Endometrial Pathology

T. Bourne, A. Fleischer, J. Cullinan, 1995 .

Effects of tamoxifen on uterus and ovaries of postmenopausal women in a randomised breast cancer prevention trial

T. Bourne, W. Collins, S. Campbell, 1994, The Lancet.

Post-traumatic stress, anxiety and depression following miscarriage or ectopic pregnancy: a prospective cohort study

T. Bourne, D. Timmerman, L. Ameye, 2016, BMJ Open.

Effects of tamoxifen on uterus and ovaries of postmenopausal women in a randomised breast cancer prevention trial

T. Bourne, W. Collins, S. Campbell, 1994, The Lancet.

Does the presence of a Cesarean section scar influence the site of placental implantation and subsequent migration in future pregnancies: a prospective case–control study

T. Bourne, D. Timmerman, A. Daemen, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound studies of vascular and morphological changes in the human uterus after a positive self-test for the urinary luteinizing hormone surge.

T. Bourne, W. Collins, L. Hamberger, 1996, Human reproduction.

Ultrasound assessment of the peri‐implantation uterus: a review

T. Bourne, D. Timmerman, A. Pexsters, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The role of transvaginal ultrasound in the management of abnormal uterine bleeding

T. Bourne, G. Condous, E. Okaro, 2004, Gynecological Surgery.

The role of ultrasound in the management of menorrhagia

T. Bourne, G. Condous, E. Okaro, 2003 .

Typical ultrasound features of various endometrial pathologies described using International Endometrial Tumor Analysis (IETA) terminology in women with abnormal uterine bleeding

T. Bourne, B. van Calster, D. Timmerman, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Intra-cavitary uterine pathology in women with abnormal uterine bleeding: a prospective study of 1220 women

T. Bourne, D. Timmerman, T. Van den Bosch, 2015, Facts, views & vision in ObGyn.

Sporadic abnormal vaginal bleeding (intermenstrual, postcoital and postmenopausal bleeding)

T. Bourne, E. Okaro, 2002 .

Detection of endometrial cancer in postmenopausal women by transvaginal ultrasonography and colour flow imaging.

T. Bourne, W. Collins, S. Campbell, 1990, BMJ.

Evaluating the endometrium of postmenopausal women with transvaginal ultrasonography

T. Bourne, 1995, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ectopic pregnancy: using the hCG ratio to select women for expectant or medical management

T. Bourne, B. De Moor, B. van Calster, 2011, Acta obstetricia et gynecologica Scandinavica.

IDEAL study: magnetic resonance imaging for suspected deep endometriosis assessment prior to laparoscopy is as reliable as radiological imaging as a complement to transvaginal ultrasonography

T. Bourne, D. Timmerman, A. Wolthuis, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Predicting the risk of malignancy in adnexal masses based on the Simple Rules from the International Ovarian Tumor Analysis group.

T. Bourne, B. van Calster, D. Timmerman, 2016, American Journal of Obstetrics and Gynecology.

A randomized trial on the use of ultrasonography or office hysteroscopy for endometrial assessment in postmenopausal patients with breast cancer who were treated with tamoxifen.

T. Bourne, W. Collins, D. Timmerman, 1998, American journal of obstetrics and gynecology.

The Risk of Endometrial Malignancy and Other Endometrial Pathology in Women with Abnormal Uterine Bleeding: An Ultrasound-Based Model Development Study by the IETA Group

T. Bourne, B. van Calster, D. Timmerman, 2022, Gynecologic and Obstetric Investigation.

Consensus on revised definitions of Morphological Uterus Sonographic Assessment (MUSA) features of adenomyosis: results of modified Delphi procedure

D. Jurkovic, T. Bourne, D. Timmerman, 2021, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A comparison of intratumoural indices of blood flow velocity and impedance for the diagnosis of ovarian cancer.

A. Tailor, D. Jurkovic, T. Bourne, 1996, Ultrasound in medicine & biology.

Use of family history in a screening clinic for familial ovarian cancer

T. Bourne, W. Collins, S. Campbell, 1993 .

Transvaginal colour flow imaging: A possible new screening technique for ovarian cancer

T. Bourne, W. Collins, S. Campbell, 1990 .

Diagnosis and management of ovarian cyst accidents.

T. Bourne, C. Bottomley, 2009, Best practice & research. Clinical obstetrics & gynaecology.

Oestrogens, arterial status, and postmenopausal women

T. Bourne, S. Campbell, M. Whitehead, 1990, The Lancet.

Differential effects of transdermal estradiol and sequential progestogens on impedance to flow within the uterine arteries of postmenopausal women.

T. Bourne, W. Collins, S. Campbell, 1992, Fertility and sterility.

Detection of endometrial cancer in postmenopausal women:Authors' reply

T. Bourne, W. Collins, S. Campbell, 1990 .

Should clinical decisions be made about ovarian masses using transvaginal color Doppler?

T. Bourne, 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Feasibility Study of a Randomised Trial of Ovarian Cancer Screening among the General Population

T. Bourne, N. Wald, C. Parkes, 1994, Journal of medical screening.

The potential role of serum CA 125 in an ultrasound‐based screening program for familial ovarian cancer

T. Bourne, W. Collins, S. Campbell, 1994, Gynecologic oncology.

The accuracy of first trimester ultrasound in the diagnosis of hydatidiform mole

T. Bourne, C. Bottomley, A. Papageorghiou, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Transvaginal color Doppler in gynecology

T. Bourne, 1991, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The temporal effect of progestogen on uterine artery pulsatility index in postmenopausal women receiving sequential hormone replacement therapy.

T. Bourne, W. Collins, S. Campbell, 1994, Fertility and sterility.

Definition and sonographic reporting system for Cesarean scar pregnancy in early gestation: modified Delphi method

T. Bourne, D. Timmerman, T. Van den Bosch, 2021, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Managing pregnancy of unknown location based on initial serum progesterone and serial serum hCG levels: development and validation of a two‐step triage protocol

T. Bourne, B. van Calster, D. Timmerman, 2016, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

T. Bourne, B. van Calster, D. Timmerman, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Standardized approach for imaging and measuring Cesarean section scars using ultrasonography

T. Bourne, D. Timmerman, A. Pexsters, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Use of family history in a screening clinic for familial ovarian cancer.

T. Bourne, W. Collins, S. Campbell, 1992, Gynecologic oncology.

Detection of endometrial cancer by transvaginal ultrasonography with color flow imaging and blood flow analysis: A preliminary report

T. Bourne, W. Collins, S. Campbell, 1992 .

The Potential Role of Serum CA 125 in an Ultrasound-Based Screening Program for Familial Ovarian Cancer

T. Bourne, W. Collins, S. Campbell, 1994 .

Does the presence of a Caesarean section scar affect implantation site and early pregnancy outcome in women attending an early pregnancy assessment unit?

T. Bourne, B. van Calster, D. Timmerman, 2013, Human reproduction.

The assessment of endometrial pathology and tubal patency: a comparison between the use of ultrasonography and X‐ray hysterosalpingography for the investigation of infertility patients

T. Bourne, A. Strandell, C. Bergh, 1999, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The Study of Ovarian Tumours

A. Tailor, T. Bourne, K. Gruböck, 1995 .

Transvaginal Sonographic Diagnosis of Appendicitis in Acute Pelvic Pain

T. Bourne, E. Kirk, G. Condous, 2006, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Prospective cross-validation of three methods of predicting failing pregnancies of unknown location.

T. Bourne, B. van Calster, D. Timmerman, 2007, Human reproduction.

Risk of ovarian cancer and genetic relationship to other cancers in families.

T. Bourne, W. Collins, S. Campbell, 1993, Human heredity.

Hyperemesis gravidarum: is an ultrasound scan necessary?

T. Bourne, C. Bottomley, A. Papageorghiou, 2006, Human reproduction.

Diagnostic protocols for the management of pregnancy of unknown location: a systematic review and meta‐analysis

T. Bourne, B. van Calster, D. Timmerman, 2018, BJOG : an international journal of obstetrics and gynaecology.

Ultrasound studies of vascular and morphological changes in the human corpus luteum during the menstrual cycle.

T. Bourne, W. Collins, L. Hamberger, 1996, Fertility and sterility.

Transvaginal ultrasonography sonohysterography and operative hysteroscopy for the evaluation of abnormal uterine bleeding

T. Bourne, E. Krampl, O. Istre, 2001, Acta obstetricia et gynecologica Scandinavica.

What do you do when you cannot see a pregnancy? The management of pregnancies of unknown location (PUL)

T. Bourne, G. Condous, 2006 .

The non‐surgical management of ectopic pregnancy

T. Bourne, E. Kirk, G. Condous, 2005, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ovulation and the Periovulatory Follicle

T. Bourne, S. Athanasiou, B. Bauer, 1995 .

Transvaginal color blood flow imaging of the periovulatory follicle

T. Bourne, W. Collins, S. Campbell, 1993, Fertility and sterility.

Risk assessment for endometrial cancer in women with abnormal vaginal bleeding: Results from the prospective IETA‐1 cohort study

T. Bourne, B. van Calster, D. Timmerman, 2022, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

Consensus Statement on pre- operative diagnosis of ovarian tumors

T. Bourne, D. Timmerman, N. Concin, 2021 .

Caesarean scar pregnancy in the UK: a national cohort study

T. Bourne, C. Bottomley, P. Latthe, 2018, BJOG : an international journal of obstetrics and gynaecology.

Detection of early ovarian cancer

T. Bourne, W. Collins, S. Campbell, 1990, The Lancet.

An evaluation of sonohysterography and diagnostic hysteroscopy for the assessment of intrauterine pathology

T. Bourne, W. Collins, H. Concin, 1998, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Burnout, well-being and defensive medical practice among obstetricians and gynaecologists in the UK: cross-sectional survey study

T. Bourne, B. van Calster, D. Timmerman, 2019, BMJ Open.

Ovarian cancer screening.

T. Bourne, S. Campbell, K. Reynolds, 1991, European journal of cancer.

Preovulatory changes of blood flow in different regions of the human follicle.

W P Collins, T Bourne, T. Bourne, 1998, Fertility and sterility.

Regulation of corpus luteum function in early human pregnancy.

T. Bourne, L. Hamberger, M. Hahlin, 1996, Fertility and sterility.

Defining safe criteria to diagnose miscarriage: prospective observational multicentre study

Dirk Timmerman, Tom Bourne, Ben Van Calster, 2015, BMJ : British Medical Journal.

Diagnosing ectopic pregnancy and current concepts in the management of pregnancy of unknown location.

T. Bourne, C. Bottomley, E. Kirk, 2014, Human reproduction update.

Management strategies for hyperemesis.

T. Bourne, C. Bottomley, 2009, Best practice & research. Clinical obstetrics & gynaecology.

Psychological morbidity associated with hyperemesis gravidarum: a systematic review and meta‐analysis

T. Bourne, C. Bottomley, I. Gallos, 2017, BJOG : an international journal of obstetrics and gynaecology.

Ambulatory versus inpatient management of severe nausea and vomiting of pregnancy: a randomised control trial with patient preference arm

T. Bourne, C. Bottomley, A. Tobías, 2017, BMJ Open.

Shotgun Proteomics Identifies Serum Fibronectin as a Candidate Diagnostic Biomarker for Inclusion in Future Multiplex Tests for Ectopic Pregnancy

T. Bourne, H. Critchley, A. Horne, 2013, PloS one.

Do pocket‐sized ultrasound machines have the potential to be used as a tool to triage patients in obstetrics and gynecology?

D Timmerman, T Bourne, T. Bourne, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Refining Ovarian Cancer Test accuracy Scores (ROCkeTS): protocol for a prospective longitudinal test accuracy study to validate new risk scores in women with symptoms of suspected ovarian cancer

T. Bourne, B. van Calster, D. Timmerman, 2016, BMJ Open.

Effects of tamoxifen on uterus

T. Bourne, W. Collins, S. Campbell, 1994, The Lancet.

A spline-based tool to assess and visualize the calibration of multiclass risk predictions

Sabine Van Huffel, Dirk Timmerman, Ben Van Calster, 2015, J. Biomed. Informatics.

Pregnancy of unknown location: a consensus statement of nomenclature, definitions, and outcome.

Dirk Timmerman, George Condous, Tom Bourne, 2011, Fertility and sterility.

Placental site trophoblastic tumor masquerading as an ovarian ectopic pregnancy

T. Bourne, G. Condous, E. Okaro, 2003, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Expectant management of incomplete, spontaneous first‐trimester miscarriage: outcome according to initial ultrasound criteria and value of follow‐up visits

T. Bourne, W. Collins, C. Luise, 2002, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Should we be examining the ovaries in pregnancy? Prevalence and natural history of adnexal pathology detected at first‐trimester sonography

T. Bourne, G. Condous, E. Okaro, 2004, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Outcome of expectant management of spontaneous first trimester miscarriage: observational study

T. Bourne, W. Collins, C. May, 2002, BMJ : British Medical Journal.

The conservative management of cervical ectopic pregnancies

T. Bourne, E. Kirk, G. Condous, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The conservative management of interstitial pregnancy

T. Bourne, James Thomas, A. Doo, 2004, BJOG : an international journal of obstetrics and gynaecology.

Nucleosome footprinting in plasma cell-free DNA for the pre-surgical diagnosis of ovarian cancer

T. Bourne, B. van Calster, D. Timmerman, 2022, npj Genomic Medicine.

Diagnosis of ectopic pregnancy with ultrasound.

T. Bourne, E. Kirk, 2009, Best practice & research. Clinical obstetrics & gynaecology.

General obstetrics: Failing pregnancies of unknown location: a prospective evaluation of the human chorionic gonadotrophin ratio

T. Bourne, B. van Calster, D. Timmerman, 2006, BJOG : an international journal of obstetrics and gynaecology.

Pregnancies of unknown location: diagnostic dilemmas and management

T. Bourne, G. Condous, E. Okaro, 2005, Current opinion in obstetrics & gynecology.

The management of ectopic pregnancies and pregnancies of unknown location

T. Bourne, G. Condous, E. Okaro, 2004, Gynecological Surgery.

The conservative management of early pregnancy complications: a review of the literature

T. Bourne, G. Condous, E. Okaro, 2003, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Diagnosing miscarriage.

T. Bourne, C. Bottomley, 2009, Best practice & research. Clinical obstetrics & gynaecology.

When is a pregnancy nonviable and what criteria should be used to define miscarriage?

Tom Bourne, T. Bourne, C. Bottomley, 2012, Fertility and sterility.

Handbook of Early Pregnancy Care

T. Bourne, G. Condous, 2006 .

The diagnostic effectiveness of an initial transvaginal scan in detecting ectopic pregnancy.

T. Bourne, A. Papageorghiou, E. Kirk, 2007, Human reproduction.

The association between vaginal bacterial composition and miscarriage: a nested case–control study

T. Bourne, D. Timmerman, J. Marchesi, 2019, BJOG : an international journal of obstetrics and gynaecology.

Transvaginal colour flow imaging: a possible new screening technique for ovarian cancer.

T. Bourne, W. Collins, S. Campbell, 1989, BMJ.

Ultrasound of the Ovary

T. Bourne, K. Jermy, 2003 .

The characterization of common ovarian cysts in premenopausal women

T. Bourne, C. Luise, K. Jermy, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound Diagnosis and Management of Miscarriage

T. Bourne, G. Condous, E. Okaro, 2003 .

Pregnancies of unknown location.

T. Bourne, E. Kirk, G. Condous, 2009, Best practice & research. Clinical obstetrics & gynaecology.

Triaging pregnancies of unknown location: the performance of protocols based on single serum progesterone or repeated serum hCG levels.

T. Bourne, B. van Calster, D. Timmerman, 2014, Human reproduction.

External validation of models and simple scoring systems to predict miscarriage in intrauterine pregnancies of uncertain viability.

T. Bourne, V. Van Belle, D. Timmerman, 2013, Human reproduction.

Accurate prediction of pregnancy viability by means of a simple scoring system.

Sabine Van Huffel, Dirk Timmerman, Tom Bourne, 2013, Human reproduction.

Prediction of ectopic pregnancy in women with a pregnancy of unknown location

S Van Huffel, D Timmerman, B Van Calster, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ectopic pregnancy.

K. Barnhart, T. Bourne, E. Diamandis, 2012, Clinical chemistry.

Do Women with Pain and Bleeding in Early Pregnancy Require a Vaginal Speculum Examination as Part of Their Assessment?

T. Bourne, E. Kirk, S. Bora, 2013, Gynecologic and Obstetric Investigation.

The conservative management of first trimester miscarriages and the use of colour Doppler sonography for patient selection.

T. Bourne, P. Sladkevicius, P. Schwärzler, 1999, Human reproduction.

Why greater emphasis must be given to getting the diagnosis right: the example of miscarriage

Tom Bourne, T. Bourne, 2016, Australasian journal of ultrasound in medicine.

The psychological impact of early pregnancy loss

T. Bourne, D. Timmerman, J. Verbakel, 2018, Human reproduction update.

Gestational sac and embryonic growth are not useful as criteria to define miscarriage: a multicenter observational study

D Timmerman, T Bourne, T. Bourne, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The effects of norethisterone on endometrial abnormalities identified by transvaginal ultrasound screening of healthy post-menopausal women on tamoxifen or placebo.

T. Bourne, W. Collins, J. Davey, 1998, British Journal of Cancer.

New crown–rump length curve based on over 3500 pregnancies

D Timmerman, B De Moor, T Bourne, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Is Serum Human Chorionic Gonadotrophin Follow-Up Necessary after Suspected Spillage of Trophoblast at the Time of Laparoscopic Surgery for Ectopic Pregnancy?

T. Bourne, D. Timmerman, A. Daemen, 2010, Gynecologic and Obstetric Investigation.

Ultrasound Diagnosis and Management of Pregnancy of Unknown Location and Ectopic Pregnancy

T. Bourne, G. Condous, E. Okaro, 2003 .

Ovarian-Adnexal Reporting Lexicon for Ultrasound: A White Paper of the ACR Ovarian-Adnexal Reporting and Data System Committee.

T. Bourne, D. Timmerman, C. Reinhold, 2018, Journal of the American College of Radiology : JACR.

Differences in post‐traumatic stress, anxiety and depression following miscarriage or ectopic pregnancy between women and their partners: multicenter prospective cohort study

T. Bourne, B. van Calster, D. Timmerman, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Acute effects of a transdermal nitric oxide donor on perifollicular and intrauterine blood flow

T. Bourne, W. Collins, P. Janson, 1998, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prevalence, potential risk factors for development and symptoms related to the presence of uterine niches following Cesarean section: systematic review

T. Bourne, T. Bourne, A. B. D. Bij de Vaate, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound and Menorrhagia

T. Bourne, K. Jermy, 2003 .

What is the correct primary diagnostic tool in the ‘one‐stop’ clinic for the investigation of abnormal menstrual bleeding?

T. Bourne, K. Jones, K. Jermy, 2002 .

Hormone Replacement Therapy After Transcervical Resection of the Endometrium

T. Bourne, A. Forman, O. Istre, 1996, Obstetrics and gynecology.

The early detection and assessment of endometrial cancer by transvaginal colour Doppler ultrasonography.

T. Bourne, S. Campbell, T. Crayford, 1993, European journal of obstetrics, gynecology, and reproductive biology.

Effect of gel‐instillation sonography on Doppler ultrasound findings in endometrial polyps

T. Bourne, D. Timmerman, L. Valentin, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The feasibility of a ‘one stop’ ultrasound‐based clinic for the diagnosis and management of abnormal uterine bleeding

T. Bourne, K. Jones, Tom Bourne, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The Assessment of Tubal Patency: Hystero-Contrast-Salpingography

T. Bourne, K. Jermy, 2003 .

Early‐pregnancy events and subsequent antenatal, delivery and neonatal outcomes: prospective cohort study

B. Moor, T. Bourne, B. van Calster, 2019, Ultrasound in Obstetrics & Gynecology.

Performance of the American College of Obstetricians and Gynecologists' ovarian tumor referral guidelines with a multivariate index assay.

T. Bourne, B. van Calster, D. Timmerman, 2011, Obstetrics and gynecology.

Sex differences in fetal growth and immediate birth outcomes in a low-risk Caucasian population

T. Bourne, D. Timmerman, A. Pexsters, 2019, Biology of Sex Differences.

OP15.02: Use of Crystal Vue technique for imaging of adnexal masses a pilot study

T. Bourne, D. Timmerman, S. Saso, 2017 .

Endometriomas: their ultrasound characteristics

T. Bourne, B. van Calster, D. Timmerman, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ovarian morphology, endocrine function and intra-follicular blood flow during the peri-ovulatory period.

T. Bourne, W. Collins, S. Campbell, 1991, Human reproduction.

28th World Congress on Ultrasound in Obstetrics and Gynecology, 20–24 October 2018, Singapore: presentations and awards

J., Y., T., 2018, Ultrasound in Obstetrics & Gynecology.

T. Bourne, B. van Calster, D. Timmerman, 2016, Human reproduction.

The use of ultrasound‐based ‘soft markers’ for the prediction of pelvic pathology in women with chronic pelvic pain—can we reduce the need for laparoscopy?

S. Huffel, T. Bourne, D. Timmerman, 2006, BJOG : an international journal of obstetrics and gynaecology.

Screening strategies for ovarian cancer.

T. Bourne, W. Collins, S. Campbell, 1998, Current opinion in obstetrics & gynecology.

Twin growth discrepancy in early pregnancy

T. Bourne, C. Bottomley, E. Kirk, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The relationship between first trimester fetal growth, pregnancy‐associated plasma protein A levels and birthweight

T. Bourne, B. De Moor, D. Timmerman, 2010, Prenatal diagnosis.

Ultrasound derived indices of follicular blood flow before HCG administration and the prediction of oocyte recovery and preimplantation embryo quality.

W P Collins, T. Bourne, W. Collins, 1996, Human reproduction.

Associations between ultrasound indices of follicular blood flow, oocyte recovery and preimplantation embryo quality.

T. Bourne, W. Collins, S. Campbell, 1996, Human reproduction.

Risk of complications in patients with conservatively managed ovarian tumours (IOTA5): a 2-year interim analysis of a multicentre, prospective, cohort study.

T. Bourne, B. van Calster, D. Timmerman, 2019, The Lancet. Oncology.

Benign ovarian cysts and ovarian cancer: a cohort study with implications for screening

T. Bourne, W. Collins, S. Campbell, 2000, The Lancet.

Improved modeling of clinical data with kernel methods

Bart De Moor, Dirk Timmerman, Anneleen Daemen, 2012, Artif. Intell. Medicine.

Screening for early familial ovarian cancer with transvaginal ultrasonography and colour blood flow imaging.

T. Bourne, W. Collins, S. Campbell, 1993, BMJ.

A novel technique for measuring bladder wall thickness in women using transvaginal ultrasound

T. Bourne, L. Cardozo, S. Salvatore, 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Chlamydia trachomatis infection in patients attending an Early Pregnancy Unit: Prevalence, symptoms, pregnancy location and viability

T. Bourne, B. van Calster, D. Timmerman, 2008, Acta obstetricia et gynecologica Scandinavica.

Combination of gefitinib and methotrexate to treat tubal ectopic pregnancy (GEM3): a multicentre, randomised, double-blind, placebo-controlled trial

T. Bourne, C. Bottomley, U. Menon, 2023, The Lancet.

Ovarian cancer prediction in adnexal masses using ultrasound‐based logistic regression models: a temporal and external validation study by the IOTA group

S Van Huffel, D Timmerman, I Vergote, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

One-stop gynaecology

T. Bourne, K. Jones, 2011 .

The impact of complaints procedures on the welfare, health and clinical practise of 7926 doctors in the UK: a cross-sectional survey

T. Bourne, B. van Calster, D. Timmerman, 2015, BMJ Open.

No influence of body mass index on first trimester fetal growth.

T. Bourne, D. Timmerman, C. Bottomley, 2010, Human reproduction.

Dating and growth in the first trimester.

Tom Bourne, T. Bourne, C. Bottomley, 2009, Best practice & research. Clinical obstetrics & gynaecology.

Evaluating the risk of ovarian cancer before surgery using the ADNEX model: a multicentre external validation study

T. Bourne, B. van Calster, D. Timmerman, 2016, British Journal of Cancer.

Doctors' experiences and their perception of the most stressful aspects of complaints processes in the UK: an analysis of qualitative survey data

T. Bourne, B. van Calster, D. Timmerman, 2016, BMJ Open.

Doctors’ perception of support and the processes involved in complaints investigations and how these relate to welfare and defensive practice: a cross-sectional survey of the UK physicians

T. Bourne, B. van Calster, D. Timmerman, 2017, BMJ Open.

Impact of ovulation and implantation timing on first‐trimester crown–rump length and gestational age

T. Bourne, D. Timmerman, A. Daemen, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Assessing first trimester growth: the influence of ethnic background and maternal age.

Dirk Timmerman, Bart De Moor, Anneleen Daemen, 2009, Human reproduction.

Predicting Outcomes in Pregnancies of Unknown Location

Tom Bourne, Emma Kirk, T. Bourne, 2008, Women's health.

There is no role for uterine curettage in the contemporary diagnostic workup of women with a pregnancy of unknown location.

T. Bourne, B. van Calster, D. Timmerman, 2006, Human reproduction.

Visibility and measurement of Cesarean section scars in pregnancy: a reproducibility study

T. Bourne, D. Timmerman, A. Daemen, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Hysterosalpingo contrast sonography (HyCoSy) and its future role within the investigation of infertility in Europe

T. Bourne, S. Campbell, W. Collins, 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

First International Consensus Report on Adnexal Masses: Management Recommendations

T. Bourne, D. Timmerman, D. Levine, 2017, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

The characteristic ultrasound features of specific types of ovarian pathology (Review)

T. Bourne, D. Timmerman, C. Stalder, 2014, International journal of oncology.

Correspondence Reply : Niche risk factor for uterine rupture ?

T. Bourne, A. B. D. Bij de Vaate, H. Brölmann, 2014 .

Predicting successful vaginal birth after Cesarean section using a model based on Cesarean scar features examined by transvaginal sonography

T. Bourne, B. van Calster, D. Timmerman, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Sonographic classification and reporting system for diagnosing adenomyosis

T. Bourne, D. Timmerman, L. Valentin, 2019, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Pregnancies of unknown location: consensus statement

D Timmerman, T Bourne, T. Bourne, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Transvaginal color Doppler study of blood flow in ectopic pregnancies.

T. Bourne, W. Collins, S. Campbell, 1992, Fertility and sterility.

Intrafollicular blood flow during human ovulation

T. Bourne, W. Collins, S. Campbell, 1991, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Umbilical artery pulsatility index and fetal abdominal circumference in isolated gastroschisis

T. Bourne, B. De Moor, D. Timmerman, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Do levels of serum cancer antigen 125 and creatine kinase predict the outcome in pregnancies of unknown location?

S Van Huffel, D Timmerman, B Van Calster, 2005, Human reproduction.

Sonographic examination of uterine niche in non‐pregnant women: a modified Delphi procedure

D Timmerman, T Bourne, T. Bourne, 2019, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Transvaginal ultrasound‐guided ovarian endoscopy: a novel approach to the assessment of ovarian tumors

T. Bourne, L. Hamberger, M. Wikland, 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Comparison of Transvaginal Color Doppler Imaging and Color Doppler Energy for Assessment of Intraovarian Blood Flow

A. Tailor, T. Bourne, W. Collins, 1998, Obstetrics and gynecology.

Accuracy of ultrasonography performed by examiners with varied training and experience in predicting specific pathology of adnexal masses

T. Bourne, D. Timmerman, S. Ghaem-Maghami, 2015, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Diagnostic accuracy of varying discriminatory zones for the prediction of ectopic pregnancy in women with a pregnancy of unknown location

T. Bourne, B. De Moor, D. Timmerman, 2005, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Paracetamol‐associated luteinized unruptured follicle syndrome: effect on intrafollicular blood flow

T. Bourne, W. Collins, S. Campbell, 1991, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Amenorrhoea and Polycystic Ovarian Syndrome

Tom Bourne, T. Bourne, A. Khalid, 2003 .

A Simplified Ultrasound Based Infertility Investigation Protocol and Its Implications for Patient Management

T. Bourne, L. Hamberger, A. Strandell, 2000, Journal of Assisted Reproduction and Genetics.

Effects of indomethacin on follicular structure, vascularity, and function over the periovulatory period in women.

T. Bourne, W. Collins, S. Campbell, 1996, Fertility and sterility.

ESGO/ISUOG/IOTA/ESGE Consensus Statement on pre-operative diagnosis of ovarian tumors

T. Bourne, D. Timmerman, N. Concin, 2021, International Journal of Gynecological Cancer.

Evaluating the risk of ovarian cancer before surgery using the ADNEX model to differentiate between benign, borderline, early and advanced stage invasive, and secondary metastatic tumours: prospective multicentre diagnostic study

Dirk Timmerman, Tom Bourne, Stefano Guerriero, 2014, BMJ : British Medical Journal.

Psychological impact of endometrial monitoring in tamoxifen-treated postmenopausal breast cancer patients

T. Bourne, D. Timmerman, K. Demyttenaere, 2000, Journal of psychosomatic obstetrics and gynaecology.

Does a normal scan exclude the presence of significant pathology in women with chronic pelvic pain

S. Huffel, T. Bourne, D. Timmerman, 2003 .

The influence of weight gain patterns in pregnancy on fetal growth using cluster analysis in an obese and nonobese population

T. Bourne, D. Timmerman, J. Luts, 2013, Obesity.

A practical guideline for examining a uterine niche using ultrasonography in non-pregnant women: a modified Delphi method amongst European experts

T. Bourne, D. Timmerman, N. Amso, 2018 .

False positive results in ovarian cancer screening: One year follow-up of psychological status

J. Wardle, T. Bourne, W. Collins, 1994 .

Simple ultrasound rules to distinguish between benign and malignant adnexal masses before surgery: prospective validation by IOTA group

Sabine Van Huffel, Dirk Timmerman, Ignace Vergote, 2010, BMJ : British Medical Journal.

Detection of endometrial cancer by transvaginal ultrasonography with color flow imaging and blood flow analysis: a preliminary report.

W P Collins, T. Bourne, W. Collins, 1990, Gynecologic oncology.

Sex differences in fetal growth and immediate birth outcomes in a low-risk Caucasian population

T. Bourne, D. Timmerman, A. Pexsters, 2019, Biology of Sex Differences.

Use of a pocket‐sized ultrasound machine (PUM) for routine examinations in the third trimester of pregnancy

D Timmerman, T Bourne, T. Bourne, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

ISUOG Consensus Statement on rationalization of early‐pregnancy care and provision of ultrasonography in context of SARS‐CoV‐2

T. Bourne, D. Timmerman, E. Kirk, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A comparison between an ultrasound based prediction model (LR2) and the risk of ovarian malignancy algorithm (ROMA) to assess the risk of malignancy in women with an adnexal mass.

T. Bourne, B. van Calster, D. Timmerman, 2013, Gynecologic oncology.

Reliability of transvaginal ultrasonography at 7–9 weeks' gestation in the determination of chorionicity and amnionicity in twin pregnancies

T. Bourne, C. Bottomley, E. Kirk, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prognostic Value of Serum HE4 Levels and Risk of Ovarian Malignancy Algorithm Scores at the Time of Ovarian Cancer Diagnosis

T. Bourne, B. van Calster, V. Van Belle, 2014, International Journal of Gynecologic Cancer.

Screening for data clustering in multicenter studies: the residual intraclass correlation

T. Bourne, B. van Calster, D. Timmerman, 2013, BMC Medical Research Methodology.

How to perform standardized sonographic examination of uterine niche in non‐pregnant women

T. Bourne, D. Timmerman, T. Van den Bosch, 2022, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

First InternationalConsensusReporton AdnexalMasses ManagementRecommendations

T. Bourne, D. Timmerman, D. Levine, 2017 .

Automated characterisation of ultrasound images of ovarian tumours: the diagnostic accuracy of a support vector machine and image processing with a local binary pattern operator

S. Khazendar, H. Du, J. Kaijser, 2015, Facts, views & vision in ObGyn.

ESGO/ISUOG/IOTA/ESGE Consensus Statement on preoperative diagnosis of ovarian tumours

T. Bourne, I. Vergote, N. Concin, 2021, Facts, views & vision in ObGyn.

Results from an ultrasound‐based familial ovarian cancer screening clinic: a 10‐year observational study

A. Tailor, T. Bourne, S. Campbell, 2003, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Multi-class AUC metrics and weighted alternatives

Sabine Van Huffel, Vanya Van Belle, Dirk Timmerman, 2008, 2008 IEEE International Joint Conference on Neural Networks (IEEE World Congress on Computational Intelligence).

Assessment of protein biomarkers for preoperative differential diagnosis between benign and malignant ovarian tumors.

T. Bourne, B. van Calster, D. Timmerman, 2020, Gynecologic oncology.

The relationship between preoperative endometrial thickness, the anteroposterior diameter of the uterus and clinical outcome following transcervical resection of the endometrium

T. Bourne, A. Forman, O. Istre, 1996, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Post-traumatic stress, anxiety and depression following miscarriage and ectopic pregnancy: a multi-center, prospective, cohort study.

T. Bourne, B. van Calster, D. Timmerman, 2019, American journal of obstetrics and gynecology.

ESGO/ISUOG/IOTA/ESGE Consensus Statement on pre-operative diagnosis of ovarian tumors

T. Bourne, D. Timmerman, I. Vergote, 2021, International Journal of Gynecological Cancer.

Clinically oriented three‐step strategy for assessment of adnexal pathology

T. Bourne, D. Timmerman, L. Valentin, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Rationalizing the follow-up of pregnancies of unknown location.

S Van Huffel, D Timmerman, B Van Calster, 2007, Human reproduction.

Ultrasound characteristics of endometrial cancer as defined by International Endometrial Tumor Analysis (IETA) consensus nomenclature: prospective multicenter study

B. Moor, T. Bourne, B. De Moor, 2017, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Reply: To PMID 22323094.

T. Bourne, D. Timmerman, A. Daemen, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

T. Bourne, D. Timmerman, A. Daemen, 2013 .

Evaluation of machine learning methods with Fourier Transform features for classifying ovarian tumors based on ultrasound images

Sabah Jassim, Dirk Timmerman, Andrés Bueno-Crespo, 2019, PloS one.

Automated classification of static ultrasound images of ovarian tumours based on decision level fusion

D. Timmerman, S. Khazendar, H. Al-Assam, 2014, 2014 6th Computer Science and Electronic Engineering Conference (CEEC).

OC14.01: Ultrasound characteristics of endometrial cancer as defined by the International Endometrial Tumor Analysis (IETA) consensus nomenclature a prospective multicentre study

T. Bourne, B. van Calster, D. Timmerman, 2017 .

Adding a single CA 125 measurement to ultrasound imaging performed by an experienced examiner does not improve preoperative discrimination between benign and malignant adnexal masses

S. Huffel, T. Bourne, B. van Calster, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The potential use of urinary hCG measurements in the management of pregnancies of unknown location

T. Bourne, D. Timmerman, Y. Abdallah, 2020, Human fertility.

Why are some ectopic pregnancies characterized as pregnancies of unknown location at the initial transvaginal ultrasound examination?

T. Bourne, B. De Moor, D. Timmerman, 2008, Acta obstetricia et gynecologica Scandinavica.

External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study

T. Bourne, B. van Calster, D. Timmerman, 2020, BJOG : an international journal of obstetrics and gynaecology.

Triaging women with pregnancy of unknown location using two‐step protocol including M6 model: clinical implementation study

T. Bourne, B. van Calster, D. Timmerman, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The role of ultrasonography in the diagnosis and management of early pregnancy complications

T. Bourne, E. Kirk, M. Al-Memar, 2015 .

The Role of Ultrasound in Gynaecology

T. Bourne, 2012 .

The use of serum inhibin A and activin A levels in predicting the outcome of 'pregnancies of unknown location'.

Sabine Van Huffel, Dirk Timmerman, George Condous, 2009, Human reproduction.

UKEPSS: The UK Early Pregnancy Surveillance Service for uncommon disorders of early pregnancy and acute gynaecology

T. Bourne, C. Bottomley, P. Latthe, 2014 .

A Novel Approach to Predict the Likelihood of Specific Ovarian Tumor Pathology Based on Serum CA-125: A Multicenter Observational Study

T. Bourne, B. van Calster, D. Timmerman, 2011, Cancer Epidemiology, Biomarkers & Prevention.

Defining the relationship between fetal Doppler indices, abdominal circumference and growth rate in severe fetal growth restriction using functional linear discriminant analysis

T. Bourne, D. Timmerman, A. Daemen, 2013, Journal of The Royal Society Interface.

A scoring system to differentiate malignant from benign masses in specific ultrasound‐based subgroups of adnexal tumors

T. Bourne, D. Timmerman, L. Valentin, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound features of endometrial pathology in women without abnormal uterine bleeding: results from the International Endometrial Tumor Analysis study (IETA3)

T. Bourne, D. Timmerman, L. Valentin, 2022, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Human chorionic gonadotrophin and progesterone levels in pregnancies of unknown location

T. Bourne, D. Timmerman, S. Van Huffel, 2004, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

Validation of the Performance of International Ovarian Tumor Analysis (IOTA) Methods in the Diagnosis of Early Stage Ovarian Cancer in a Non-Screening Population

T. Bourne, B. van Calster, D. Timmerman, 2017, Diagnostics.

A multicenter prospective external validation of the diagnostic performance of IOTA simple descriptors and rules to characterize ovarian masses.

T. Bourne, B. van Calster, D. Timmerman, 2013, Gynecologic oncology.

Differences in ultrasound features of papillations in unilocular‐solid adnexal cysts: a retrospective international multicenter study

T. Bourne, D. Timmerman, L. Valentin, 2018, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Benign descriptors and ADNEX in two‐step strategy to estimate risk of malignancy in ovarian tumors: retrospective validation in IOTA5 multicenter cohort

T. Bourne, B. van Calster, D. Timmerman, 2022, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound evaluation of ovarian masses and assessment of the extension of ovarian malignancy.

T. Bourne, D. Timmerman, L. Valentin, 2021, The British journal of radiology.

Clinical information does not improve the performance of mathematical models in predicting the outcome of pregnancies of unknown location.

Sabine Van Huffel, Dirk Timmerman, George Condous, 2007, Fertility and sterility.

The use of a new logistic regression model for predicting the outcome of pregnancies of unknown location

S. Van Huffel, George Condous, Tom Bourne, 2004 .

Screening for early familial ovarian cancer with transvaginal ultrasonography and color blood flow imaging

T. Bourne, W. Collins, S. Campbell, 1994 .

University of Birmingham A multi-centre, double-blind, placebo-controlled, randomised trial of combination methotrexate and gefitinib versus methotrexate alone to treat tubal ectopic pregnancies (GEM3)

T. Bourne, C. Bottomley, A. Coomarasamy, 2018 .

Ultrasound Characteristics of Endometriosis

T. Bourne, D. Timmerman, E. Okaro, 2003 .

ISUOG Consensus Statement on rationalization of gynecological ultrasound services in context of SARS‐CoV‐2

T. Bourne, D. Timmerman, G. Condous, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A qualitative evaluation of the experience of surgery after false positive results in screening for familial ovarian cancer

T. Bourne, S. Campbell, J. Wardle, 1992 .

Impact of the availability of sonography in the acute gynecology unit

T. Bourne, B. van Calster, D. Timmerman, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The optimal timing of an ultrasound scan to assess the location and viability of an early pregnancy.

T. Bourne, V. Van Belle, D. Timmerman, 2009, Human reproduction.

The practical application of a mathematical model to predict the outcome of pregnancies of unknown location

T. Bourne, D. Timmerman, S. Van Huffel, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Do we need to follow up complete miscarriages with serum human chorionic gonadotrophin levels?

T. Bourne, G. Condous, E. Okaro, 2005, BJOG : an international journal of obstetrics and gynaecology.

A prospective evaluation of a single-visit strategy to manage pregnancies of unknown location.

T. Bourne, D. Timmerman, S. Van Huffel, 2005, Human reproduction.

An application of methods for the probabilistic three-class classification of pregnancies of unknown location

Sabine Van Huffel, Dirk Timmerman, Ben Van Calster, 2009, Artif. Intell. Medicine.

Comparing Methods for Multi-class Probabilities in Medical Decision Making Using LS-SVMs and Kernel Logistic Regression

Sabine Van Huffel, Johan A. K. Suykens, Dirk Timmerman, 2007, ICANN.

OC01.03: Ultrasound in diagnosis of new and recurrent borderline ovarian tumors

T. Bourne, B. van Calster, D. Timmerman, 2010 .

Ultrasound and Endoscopic Surgery in Obstetrics and Gynaecology: A Combined Approach to Diagnosis and Treatment

T. Bourne, D. Timmerman, J. Deprest, 2003 .

The simple outpatient management of Bartholin's abscess using the Word catheter: A preliminary study

T. Bourne, F. Mukri, E. Kirk, 2007, The Australian & New Zealand journal of obstetrics & gynaecology.

Polytomous diagnosis of ovarian tumors as benign, borderline, primary invasive or metastatic: development and validation of standard and kernel-based risk prediction models

Sabine Van Huffel, Dirk Timmerman, Tom Bourne, 2010, BMC medical research methodology.

The role of ultrasound in investigating abnormal uterine bleeding

T. Bourne, M. Alkatib, 2008 .

Do early pregnancy ultrasound measurements correlate with fetal nuchal translucency at 11–14 weeks?

T. Bourne, A. Papageorghiou, F. Prefumo, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Evidence of early first‐trimester growth restriction in pregnancies that subsequently end in miscarriage

T. Bourne, C. Bottomley, F. Mukri, 2008, BJOG : an international journal of obstetrics and gynaecology.

OC47: Discrepancy in crown–rump length between twins as a predictor of spontaneous embryonic demise to a singleton pregnancy

T. Bourne, C. Bottomley, F. Mukri, 2007 .

OC48: Development of a model to predict ability of ultrasound to make a diagnosis at first assessment in the unselected early pregnancy population

T. Bourne, V. Van Belle, D. Timmerman, 2007 .

Automatic segmentation and measurements of gestational sac using static B-mode ultrasound images

Sabah Jassim, Hisham Al-Assam, Dheyaa Ahmed Ibrahim, 2016, Commercial + Scientific Sensing and Imaging.

Automatic Identification of Early Miscarriage Based on Multiple Features Extracted From Ultrasound Images

Hisham Al-Assam, Sabah Jassim, Hongbo Du, 2014, MIUA.

Diagnosing adnexal tumours before surgery: a critical appraisal of recent evidence

T. Bourne, B. van Calster, D. Timmerman, 2015 .

Are serum HE4 or ROMA scores useful to experienced examiners for improving characterization of adnexal masses after transvaginal ultrasonography?

T. Bourne, D. Timmerman, I. Vergote, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Differentiating stage I epithelial ovarian cancer from benign disease in women with adnexal tumors using biomarkers or the ROMA algorithm.

T. Bourne, D. Timmerman, I. Vergote, 2013, Gynecologic oncology.

Multicentre external validation of IOTA prediction models and RMI by operators with varied training

T. Bourne, D. Timmerman, B. Calster, 2013, British Journal of Cancer.

OC19.05: Evaluating cut‐off values for progesterone, single hCG and hCG ratio to define pregnancy viability and location in women with a pregnancy of unknown location (PUL)

T. Bourne, D. Timmerman, C. Bottomley, 2018, Ultrasound in Obstetrics and Gynecology.

The Use of Ultrasound to Assess the Morphology of Ovarian Tumours

T. Bourne, D. Timmerman, E. Ekerhovd, 2003 .

cross-sectional survey of the UK physicians welfare and defensive practice : a investigations and how these relate to processes involved in complaints Doctors ' perception of support and the Audenhove

T. Bourne, D. Timmerman, B. Calster, 2017 .

Can risk factors, clinical history and symptoms be used to predict risk of ectopic pregnancy in women attending an early pregnancy assessment unit?

T. Bourne, D. Timmerman, C. Bottomley, 2016, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prospective external validation of the ‘ovarian crescent sign’ as a single ultrasound parameter to distinguish between benign and malignant adnexal pathology

T. Bourne, D. Timmerman, P. Neven, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Viability of intrauterine pregnancy in women with pregnancy of unknown location: prediction using human chorionic gonadotropin ratio vs. progesterone

S. Van Huffel, D. Timmerman, B. Van Calster, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A practical guideline for examining a uterine niche using ultrasonography in non-pregnant women: a modified Delphi method amongst European experts

T. Bourne, D. Timmerman, N. Amso, 2018 .

VI.6 Detection of DNA adducts in the human endometrium: a lack of evidence

T. Bourne, P. Neven, D. Phillips, 1998 .

Ultrasound screening for early ovarian cancer

T. Bourne, W. Collins, S. Campbell, 1992 .

A validation of the most commonly used protocol to predict the success of single-dose methotrexate in the treatment of ectopic pregnancy.

T. Bourne, D. Timmerman, S. Van Huffel, 2007, Human reproduction.

The nonsurgical management of ectopic pregnancy

T. Bourne, E. Kirk, 2006, Current opinion in obstetrics & gynecology.

Changing predictor measurement procedures affected the performance of prediction models in clinical examples.

M van Smeden, D Timmerman, L Wynants, 2019, Journal of clinical epidemiology.

Screening for ovarian cancer: Authors' reply

T. Bourne, W. Collins, S. Campbell, 1993 .

Detection of intracavitary uterine pathology using offline analysis of three‐dimensional ultrasound volumes: interobserver agreement and diagnostic accuracy

T. Bourne, D. Timmerman, L. Valentin, 2012, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Presurgical diagnosis of adnexal tumours using mathematical models and scoring systems: a systematic review and meta-analysis.

T. Bourne, D. Timmerman, S. Ghaem-Maghami, 2014, Human reproduction update.

An Evaluation of the Effectiveness of Image-based Texture Features Extracted from Static B-mode Ultrasound Images in Distinguishing between Benign and Malignant Ovarian Masses

T. Bourne, D. Timmerman, C. Landolfo, 2021, Ultrasonic imaging.

Predicting the risk of malignancy in adnexal masses based on the Simple Rules from the International Ovarian Tumor Analysis group.

T. Bourne, D. Timmerman, L. Valentin, 2016, American journal of obstetrics and gynecology.

Multiclass risk models for ovarian malignancy: an illustration of prediction uncertainty due to the choice of algorithm

T. Bourne, D. Timmerman, L. Valentin, 2023, BMC Medical Research Methodology.

Validation and updating of risk models based on multinomial logistic regression

Yvonne Vergouwe, Kirsten Van Hoorde, Emma Kirk, 2017, Diagnostic and Prognostic Research.

A spline-based tool to assess and visualize the calibration of multiclass risk predictions

S. Huffel, T. Bourne, D. Timmerman, 2015, J. Biomed. Informatics.

Why are some ectopic pregnancies characterized as pregnancies of unknown location at the initial transvaginal ultrasound examination?

T. Bourne, B. De Moor, D. Timmerman, 2008, Acta obstetricia et gynecologica Scandinavica.

Should we be examining the ovaries in pregnancy? The natural history of adnexal pathology detected at first-trimester ultrasonography

T. Bourne, G. Condous, E. Okaro, 2003 .

The hCG ratio can predict the ultimate viability of the intrauterine pregnancies of uncertain viability in the pregnancy of unknown location population.

T. Bourne, D. Timmerman, S. Van Huffel, 2008, Human reproduction.

Improving the preoperative classification of adnexal masses as benign or malignant by second‐stage tests

T. Bourne, D. Timmerman, L. Valentin, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

III.2 Saline infusion sonography (SIS) or office hysteroscopy: Which one is the best? A prospective randomised study

T. Bourne, W. Collins, D. Timmerman, 1998 .

OC198: Should an ectopic pregnancy always be diagnosed using transvaginal ultrasonography in the first trimester prior to surgery?

T. Bourne, G. Condous, E. Okaro, 2003 .