L. Valentin

发表

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

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

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.

Preoperative diagnosis of ovarian tumors using Bayesian kernel‐based methods

J. Suykens, B. van Calster, D. Timmerman, 2007, 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.

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.

Imaging in gynecological disease (22): clinical and ultrasound characteristics of ovarian embryonal carcinomas, non‐gestational choriocarcinomas and malignant mixed germ cell tumors

D. Timmerman, L. Valentin, G. Scambia, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Imaging in gynecological disease (16): clinical and ultrasound characteristics of serous cystadenofibromas in adnexa

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

Imaging in gynecological disease (14): clinical and ultrasound characteristics of ovarian clear cell carcinoma

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

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.

Ovarian masses with papillary projections diagnosed and removed during pregnancy: ultrasound features and histological diagnosis

L. Valentin, G. Scambia, M. Moruzzi, 2017, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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

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

Intra‐ and interobserver agreement with regard to describing adnexal masses using International Ovarian Tumor Analysis terminology: reproducibility study involving seven observers

L. Valentin, A. Testa, L. Savelli, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Risk of malignancy in unilocular cysts: a study of 1148 adnexal masses classified as unilocular cysts at transvaginal ultrasound and review of the literature

S. Huffel, D. Jurkovic, D. Timmerman, 2013, Ultrasound in Obstetrics and Gynecology.

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.

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.

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

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

Prospective Internal Validation of Mathematical Models to Predict Malignancy in Adnexal Masses: Results from the International Ovarian Tumor Analysis Study

S. Van Huffel, C. Van Holsbeke, L. Valentin, 2009, Clinical Cancer Research.

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.

Imaging of gynecological disease (4): clinical and ultrasound characteristics of struma ovarii

D. Timmerman, L. Valentin, D. Paladini, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging in gynecological disease (1): ultrasound features of metastases in the ovaries differ depending on the origin of the primary tumor

D. Timmerman, L. Valentin, G. Scambia, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

External Validation of Mathematical Models to Distinguish Between Benign and Malignant Adnexal Tumors: A Multicenter Study by the International Ovarian Tumor Analysis Group

Sabine Van Huffel, Dirk Timmerman, Enrico Ferrazzi, 2007, Clinical Cancer Research.

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.

Imaging in gynecological disease

D. Timmerman, L. Valentin, D. Timmerman, 2007, Ultrasound in Obstetrics and Gynecology.

External Validation ofMathematical Models to Distinguish Between Benign andMalignant Adnexal Tumors : AMulticenter Study by the International Ovarian TumorAnalysis Group

S. Huffel, D. Timmerman, L. Valentin, 2007 .

Ultrasound characteristics of different types of adnexal malignancies.

D. Timmerman, L. Valentin, S. Van Huffel, 2006, Gynecologic oncology.

Access to the Published Version May Require Journal Subscription. Published with Permission From: Elsevier Imaging in Gynecology

L. Valentin, Lil Valentin, 2022 .

Pattern recognition of pelvic masses by gray‐scale ultrasound imaging: the contribution of Doppler ultrasound

L. Valentin, L. Valentin, Lil Valentin, 1999, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Comparison of ‘pattern recognition’ and logistic regression models for discrimination between benign and malignant pelvic masses: a prospective cross validation

L. Valentin, S. Eik-Nes, L Valentin, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Use of ultrasound pattern recognition by expert operators to identify borderline ovarian tumors: a study of diagnostic performance and interobserver agreement

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

Real‐time ultrasound vs. evaluation of static images in the preoperative assessment of adnexal masses

D. Jurkovic, B. De Moor, D. Timmerman, 2008, 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 lymph nodes: consensus opinion from the Vulvar International Tumor Analysis (VITA) group

L. Valentin, G. Scambia, D. Cibula, 2021, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging in gynecological disease (23): clinical and ultrasound characteristics of ovarian carcinosarcoma

D. Timmerman, L. Valentin, G. Scambia, 2021, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound, macroscopic and histological features of malignant ovarian tumors

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

Imaging in gynecological disease (20): clinical and ultrasound characteristics of adnexal torsion

L. Valentin, G. Scambia, S. Guerriero, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Imaging in gynecological disease (10): clinical and ultrasound characteristics of decidualized endometriomas surgically removed during pregnancy

L. Valentin, A. Testa, F. Mascilini, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prevalence of extrauterine pelvic lesions on transvaginal ultrasound in asymptomatic 20–39‐year‐old women

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging in gynecological disease (9): clinical and ultrasound characteristics of tubal cancer

D. Jurkovic, C. Van Holsbeke, L. Valentin, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The sensitivity and specificity of transvaginal ultrasound with regard to acute pelvic inflammatory disease: a review of the literature. Romosan, Gina; Valentin, Lil

L. Valentin, G. Romosan, 2014 .

Imaging in gynecological disease (8): ultrasound characteristics of recurrent borderline ovarian tumors

D. Timmerman, L. Valentin, N. Colombo, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Imaging of gynecological disease (2): clinical and ultrasound characteristics of Sertoli cell tumors, Sertoli–Leydig cell tumors and Leydig cell tumors

D. Timmerman, L. Valentin, C. V. van Holsbeke, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging of gynecological disease (3): clinical and ultrasound characteristics of granulosa cell tumors of the ovary

D. Jurkovic, D. Timmerman, L. Valentin, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Contribution of morphological assessment of the vessel tree by three‐dimensional ultrasound to a correct diagnosis of malignancy in ovarian masses

L. Valentin, L Jokubkiene, P Sladkevicius, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Does three‐dimensional power Doppler ultrasound help in discrimination between benign and malignant ovarian masses?

L. Jokubkiene, Lil Valentin, Povilas Sladkevicius, 2007 .

Which extrauterine pelvic masses are difficult to correctly classify as benign or malignant on the basis of ultrasound findings and is there a way of making a correct diagnosis?

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

Frequency and type of adnexal lesions in autopsy material from postmenopausal women: ultrasound study with histological correlation

L. Valentin, L. Skoog, E. Epstein, 2003, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Gray scale sonography, subjective evaluation of the color Doppler image and measurement of blood flow velocity for distinguishing benign and malignant tumors of suspected adnexal origin.

L. Valentin, L Valentin, Lil Valentin, 1997, European journal of obstetrics, gynecology, and reproductive biology.

Recording of foetal movements: a comparison of three methods.

L. Valentin, K. Maršál, K. Lindström, 1986, Journal of medical engineering & technology.

Pregnancy outcome in women perceiving decreased fetal movement.

L. Valentin, K. Maršál, L. Valentin, 1987, European journal of obstetrics, gynecology, and reproductive biology.

International Endometrial Tumor Analysis (IETA) terminology in women with postmenopausal bleeding and sonographic endometrial thickness ≥ 4.5 mm: agreement and reliability study

B. De Moor, B. van Calster, D. Timmerman, 2018, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Risk factors for incomplete healing of the uterine incision after caesarean section

L. Valentin, O. Vikhareva Osser, L. Valentin, 2010, BJOG : an international journal of obstetrics and gynaecology.

High prevalence of defects in Cesarean section scars at transvaginal ultrasound examination

L. Valentin, L. Jokubkiene, O. Vikhareva Osser, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of 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.

The extent of endosonographic anal sphincter defects after primary repair of obstetric sphincter tears increases over time and is related to anal incontinence

L. Valentin, M. Bohe, M. Starck, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Maternal anxiety in late pregnancy: effect on fetal movements and fetal heart rate.

L. Valentin, K. Maršál, T. Thelin, 2002, Early human development.

Imaging techniques in the management of abnormal vaginal bleeding in non-pregnant women before and after menopause.

L. Valentin, 2014, Best practice & research. Clinical obstetrics & gynaecology.

Misoprostol treatment vs expectant management in women with early non‐viable pregnancy and vaginal bleeding: a pragmatic randomized controlled trial

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2018, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Cost‐effectiveness of cervical length screening and progesterone treatment to prevent spontaneous preterm delivery in Sweden

L. Valentin, B. Jacobsson, U. Wennerholm, 2022, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Vascular Changes During the Ovarian Cycle

L. Valentin, 1995 .

Prospective cross‐validation of Doppler ultrasound examination and gray‐scale ultrasound imaging for discrimination of benign and malignant pelvic masses

L. Valentin, 1999, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The role of ultrasound in the management of women with acute and chronic pelvic pain.

L. Valentin, E. Okaro, 2004, Best practice & research. Clinical obstetrics & gynaecology.

Detection of malformations in chromosomally normal fetuses by routine ultrasound at 12 or 18 weeks of gestation—a randomised controlled trial in 39 572 pregnancies

L. Valentin, C. Grunewald, M. Kublickas, 2006, BJOG : an international journal of obstetrics and gynaecology.

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.

Ultrasound deserves to play a prominent role in the diagnosis and management of endometrial cancer

L. Valentin, Lil Valentin, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Grey scale ultrasound morphology and endometrial vascularity as assessed by color Doppler ultrasound before and during saline infusion for discrimination between benign and malignant endometrium in women with postmenopausal bleeding

L. Valentin, E. Epstein, 2006 .

Gray‐scale ultrasound morphology in the presence or absence of intrauterine fluid and vascularity as assessed by color Doppler for discrimination between benign and malignant endometrium in women with postmenopausal bleeding

L. Valentin, E. Epstein, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Managing women with post-menopausal bleeding.

L. Valentin, E. Epstein, 2004, Best practice & research. Clinical obstetrics & gynaecology.

Transvaginal sonography in gynaecology

L. Valentin, 2004 .

Dilatation and curettage fails to detect most focal lesions in the uterine cavity in women with postmenopausal bleeding

L. Valentin, E. Epstein, A. Ramirez, 2001, Acta obstetricia et gynecologica Scandinavica.

Transvaginal sonography, saline contrast sonohysterography and hysteroscopy for the investigation of women with postmenopausal bleeding and endometrium > 5 mm

L. Valentin, L. Skoog, E. Epstein, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Rebleeding and endometrial growth in women with postmenopausal bleeding and endometrial thickness <5 mm managed by dilatation and curettage or ultrasound follow‐up: a randomized controlled study

L. Valentin, E. Epstein, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Comparison of Endorette® and dilatation and curettage for sampling of the endometrium in women with postmenopausal bleeding

L. Valentin, E. Epstein, Lennart Skoog, 2001, Acta Obstetricia et Gynecologica Scandinavica.

Prediction of scar integrity and vaginal birth after caesarean delivery.

L. Valentin, 2013, Best practice & research. Clinical obstetrics & gynaecology.

Ultrasound examination of the cervix to predict preterm delivery: we still know too little to use it in clinical practice

L. Valentin, 2003, 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.

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.

Characterising acute gynaecological pathology with ultrasound: an overview and case examples.

L. Valentin, 2009, Best practice & research. Clinical obstetrics & gynaecology.

This is an author produced version of a paper published in BJOG. This paper has been peer-reviewed but does not include the final publisher proof-corrections or journal pagination.

L. Valentin, C. Grunewald, M. Kublickas, 2006 .

Is measurement of nuchal translucency thickness a useful screening tool for heart defects? A study of 16 383 fetuses

L. Valentin, C. Grunewald, H. Almström, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Routine ultrasound examination at 12 or 18 gestational weeks for prenatal detection of major congenital heart malformations? A randomised controlled trial comprising 36 299 fetuses

L. Valentin, C. Grunewald, M. Kublickas, 2006, BJOG : an international journal of obstetrics and gynaecology.

Clinical Data Miner - a web-based electronic data capture framework for multi-centric studies with imaging modalities

Bart De Moor, Dirk Timmerman, A. Installe, 2011 .

Screening for Down syndrome based on maternal age or fetal nuchal translucency: a randomized controlled trial in 39 572 pregnancies

L. Valentin, P. Malcus, C. Grunewald, 2005, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Clinical Importance of Appearance of Cesarean Hysterotomy Scar at Transvaginal Ultrasonography in Nonpregnant Women

L. Valentin, O. Vikhareva Osser, 2011, Obstetrics and gynecology.

TRANSVAGINAL ULTRASONOGRAPHY OF THE ENDOMETRIUM IN WOMEN WITH POSTMENOPAUSAL BLEEDING: A NORDIC MULTICENTER STUDY

L. Valentin, P. Ylöstalo, K. Maršál, 1996 .

Diagnostic performance of routine ultrasound screening for fetal abnormalities in an unselected Swedish population in 2000–2005

L. Valentin, G. Romosan, E. Henriksson, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Effect of second‐trimester sonographic cervical length on the risk of spontaneous preterm delivery in different risk groups: A prospective observational multicenter study

L. Valentin, B. Jacobsson, H. Hagberg, 2021, Acta obstetricia et gynecologica Scandinavica.

Prevalence of endometrial polyps and abnormal uterine bleeding in a Danish population aged 20-74 years.

L. Valentin, 2009 .

Autoantibodies common in patients with gastrointestinal diseases are not found in patients with endometriosis: A cross-sectional study.

L. Valentin, J. Nordengren, B. Ohlsson, 2019, European journal of obstetrics, gynecology, and reproductive biology.

Fetal cerebral blood flow velocity during labor and the early neonatal period

L. Valentin, K. Maršál, P. Sladkevicius, 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Incidentally Detected Ovarian Cysts in Postmenopausal Women

L. Valentin, 2002 .

The natural history of adnexal cysts incidentally detected at transvaginal ultrasound examination in postmenopausal women

L. Valentin, D. Akrawi, 2002, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Maternal anxiety in late pregnancy and fetal hemodynamics.

L. Valentin, K. Maršál, T. Thelin, 1997, European journal of obstetrics, gynecology, and reproductive biology.

Fertility and outcome of pregnancy in patients operated on for Crohn's disease

L. Valentin, T. Lindhagen, M. Bohe, 2005, International Journal of Colorectal Disease.

Microbial and human transcriptome in vaginal fluid at midgestation: Association with spontaneous preterm delivery

L. Valentin, B. Jacobsson, J. Bengtsson-Palme, 2022, Clinical and translational medicine.

Re: "Diagnostic Accuracies of the Ultrasound and Magnetic Resonance Imaging ADNEX Scoring Systems for Ovarian Adnexal Mass: Systematic Review and Meta-Analysis".

B. van Calster, D. Timmerman, L. Valentin, 2021, Academic radiology.

Effects of a Vasopressin Antagonist in Women with Dysmenorrhea

L. Valentin, K. Maršál, H. Kindahl, 2000, Gynecologic and Obstetric Investigation.

Ovarian size and vascularization as assessed by three-dimensional grayscale and power Doppler ultrasound in asymptomatic women 20-39 years old using combined oral contraceptives.

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2012, Contraception.

Original research article Ovarian size and vascularization as assessed by three-dimensional grayscale and power Doppler ultrasound in asymptomatic women 20-39 years old using combined oral contraceptives ☆

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2012 .

Transvaginal Doppler examination of uteri with myomas

L. Valentin, K. Maršál, P. Sladkevicius, 1996, Journal of clinical ultrasound : JCU.

Use of morphology to characterize and manage common adnexal masses.

L. Valentin, 2004, Best practice & research. Clinical obstetrics & gynaecology.

Effects of maternal anxiety on perception of fetal movements in late pregnancy.

L. Valentin, K. Maršál, T. Thelin, 2003, Early human development.

Uteroplacental and luteal circulation in normal first-trimester pregnancies: Doppler ultrasonographic and morphologic study.

L. Valentin, K. Maršál, P. Sladkevicius, 1996, American journal of obstetrics and gynecology.

Agreement Between Prenatal Ultrasonography and Fetal Autopsy Findings: A Retrospective Study of Second Trimester Terminations of Pregnancy

L. Valentin, P. Sladkevicius, L. Lomax, 2012, Ultraschall in der Medizin.

Imaging in gynecological disease (24): clinical and ultrasound characteristics of ovarian mature cystic teratomas

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

Effect of vaginal delivery on endosonographic anal sphincter morphology.

L. Valentin, M. Bohe, M. Starck, 2007, European journal of obstetrics, gynecology, and reproductive biology.

Transvaginal ultrasonography of the endometrium in women with postmenopausal bleeding--a Nordic multicenter study.

L. Valentin, P. Ylöstalo, K. Maršál, 1995, American journal of obstetrics and gynecology.

Ultrasound assessment of endometrial morphology and vascularity to predict endometrial malignancy in women with postmenopausal bleeding and sonographic endometrial thickness ≥ 4.5 mm

L. Valentin, P. Sladkevicius, G. Opolskiene, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

GestaTIonal TrophoblAstic NeoplasIa Ultrasound assessMent: TITANIUM study

L. Valentin, G. Scambia, F. Moro, 2019, International Journal of Gynecological Cancer.

The sensitivity and specificity of transvaginal ultrasound with regard to acute pelvic inflammatory disease: a review of the literature

L. Valentin, G. Romosan, 2014, Archives of Gynecology and Obstetrics.

Ultrasound for diagnosing acute salpingitis: a prospective observational diagnostic study.

L. Valentin, L. Skoog, G. Romosan, 2013, Human reproduction.

Imaging in gynecology.

L. Valentin, 2006, Best practice & research. Clinical obstetrics & gynaecology.

Diagnostic accuracy of transvaginal ultrasound examination for assigning a specific diagnosis to adnexal masses

D. Timmerman, L. Valentin, A. Lissoni, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Does the Prenatal Diagnosis of Fetal Urinary Tract Anomalies Affect Perinatal Outcome?

L. Valentin, K. Maršál, 1998, Annals of the New York Academy of Sciences.

Predictors of complete miscarriage after expectant management or misoprostol treatment of non-viable early pregnancy in women with vaginal bleeding

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2020, Archives of Gynecology and Obstetrics.

Limited Contribution of Doppler Velocimetry to the Differential Diagnosis of Extrauterine Pelvic Tumors

L. Valentin, K. Maršál, P Sladkevicius, 1994, Obstetrics and gynecology.

ULTRASOUND EVALUATION OF THE ADNEXA (OVARY AND FALLOPIAN TUBES)

L. Valentin, P. Callen, 2008 .

Prospective temporal validation of mathematical models to calculate risk of endometrial malignancy in patients with postmenopausal bleeding

L. Valentin, P. Sladkevicius, G. Opolskiene, 2017, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prospective validation of two mathematical models to calculate the risk of endometrial malignancy in patients with postmenopausal bleeding and sonographic endometrial thickness ≥4.5 mm.

L. Valentin, P. Sladkevicius, 2016, European journal of cancer.

Three‐Dimensional Power Doppler Ultrasound Assessment of the Cervix for the Prediction of Successful Induction of Labor With Prostaglandin in Prolonged Pregnancy

L. Valentin, P. Sladkevicius, L. Rovas, 2005, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Imaging in gynecological disease (15): clinical and ultrasound characteristics of uterine sarcoma

L. Valentin, G. Scambia, S. Guerriero, 2019, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Reproductive outcome after early miscarriage: comparing vaginal misoprostol treatment with expectant management in a planned secondary analysis of a randomized controlled trial

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2021, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Resources needed to teach midwife sonographers to measure cervical length with transvaginal ultrasound in the second trimester

L. Valentin, G. Romosan, N. Baños, 2020, Acta obstetricia et gynecologica Scandinavica.

Reference data representative of normal findings at two‐dimensional and three‐dimensional gray‐scale ultrasound examination of the cervix from 17 to 41 weeks' gestation

L. Valentin, P. Sladkevicius, L. Rovas, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Patterns of normal change in cervical length and width during pregnancy in nulliparous women: a prospective, longitudinal ultrasound study

L. Valentin, I. Bergelin, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Bishop score and ultrasound assessment of the cervix for prediction of time to onset of labor and time to delivery in prolonged pregnancy

L. Valentin, F. De Smet, P. Sladkevicius, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Second‐trimester transvaginal ultrasound measurement of cervical length for prediction of preterm birth: a blinded prospective multicentre diagnostic accuracy study

L. Valentin, B. Jacobsson, H. Hagberg, 2020, BJOG : an international journal of obstetrics and gynaecology.

Miscarriage after a normal scan at 12–14 gestational weeks in women at low risk of carrying a fetus with chromosomal anomaly according to nuchal translucency screening

L. Valentin, C. Grunewald, K. Källén, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Psychological impact of early miscarriage and client satisfaction with treatment: comparison between expectant management and misoprostol treatment in a randomized controlled trial

L. Valentin, K. Sjöström, L. Jokubkiene, 2021, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

OC08.03: A randomised controlled trial comparing misoprostol to expectant care in early pregnancy failure

L. Valentin, L. Jokubkiene, A. Fernlund, 2017 .

Ultrasound dating at 12–14 weeks of gestation. A prospective cross‐validation of established dating formulae in in‐vitro fertilized pregnancies

H Almström, L. Valentin, C. Grunewald, 2005, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Re: Prevalence of endometrial polyps and abnormal uterine bleeding in a Danish population aged 20–74 years

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

Transvaginal ultrasound examination of the endometrium in postmenopausal women without vaginal bleeding

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2016, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Endometrial thickness and Doppler velocimetry of the uterine arteries as discriminators of endometrial status in women with postmenopausal bleeding: a comparative study.

L. Valentin, K. Maršál, P. Sladkevicius, 1994, American journal of obstetrics and gynecology.

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.

Endometrial cancer off-line staging using two-dimensional transvaginal ultrasound and three-dimensional volume contrast imaging: Intermethod agreement, interrater reliability and diagnostic accuracy.

L. Valentin, T. Van den Bosch, S. Guerriero, 2018, Gynecologic oncology.

Assessment of changes in endometrial and subendometrial volume and vascularity during the normal menstrual cycle using three‐dimensional power Doppler ultrasound

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and 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.

Intra‐ and interobserver reproducibility of ultrasound measurements of cervical length and width in the second and third trimesters of pregnancy

L. Valentin, L Valentin, I Bergelin, 2002, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging in gynecological disease (5): clinical and ultrasound characteristics in fibroma and fibrothecoma of the ovary

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

Cesarean section scar defects: agreement between transvaginal sonographic findings with and without saline contrast enhancement

L. Valentin, L. Jokubkiene, O. Vikhareva Osser, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

When and how should vasa praevia be looked for during ultrasound examinations, and what kind of treatment should women be offered when it is detected? Four case studies and a literature review

L. Valentin, M. Dreyfus, G. Benoist, 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.

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.

Normal cervical changes in parous women during the second half of pregnancy – a prospective, longitudinal ultrasound study

L. Valentin, I. Bergelin, 2002, Acta obstetricia et gynecologica Scandinavica.

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

Tubal ectopic pregnancy

L. Valentin, S. Vyas, D. Jurković, 2009 .

Early‐stage cervical cancer: agreement between ultrasound and histopathological findings with regard to tumor size and extent of local disease

L. Valentin, G. Ferrandina, A. Testa, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Blood flow velocity in the uterine and ovarian arteries during the normal menstrual cycle

L. Valentin, K. Maršál, P. Sladkevicius, 1993, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Subjective Recording of Fetal Movements: III. Screening of a pregnant population; the clinical significance of decreased fetal movement counts

L. Valentin, K. Maršál, L. Wahlgren, 1986, Acta obstetricia et gynecologica Scandinavica.

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.

Endosonography of the anal sphincter in women of different ages and parity

L. Valentin, M. Bohe, M. Starck, 2005, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Results of endosonographic imaging of the anal sphincter 2–7 days after primary repair of third‐ or fourth‐degree obstetric sphincter tears

L. Valentin, M. Bohe, M. Starck, 2003, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging in gynecological disease (13): clinical and ultrasound characteristics of endometrioid ovarian cancer

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

Validation of ultrasound strategies to assess tumor extension and to predict high‐risk endometrial cancer in women from the prospective IETA (International Endometrial Tumor Analysis)‐4 cohort

D. Timmerman, L. Valentin, T. Van den Bosch, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Improved modeling of clinical data with kernel methods

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

Imaging in gynecological disease (18): clinical and ultrasound characteristics of urinary bladder malignancies

L. Valentin, T. Van den Bosch, P. Sladkevicius, 2019, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Intraobserver and interobserver reproducibility of three‐dimensional gray‐scale and power Doppler ultrasound examinations of the cervix in pregnant women

L. Valentin, P Sladkevicius, L Valentin, 2005, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Factors affecting color Doppler energy ultrasound recordings in an in-vitro model.

L. Valentin, K. Maršál, P. Olofsson, 1998, Ultrasound in medicine & biology.

Adnexal masses difficult to classify as benign or malignant using subjective assessment of gray‐scale and Doppler ultrasound findings: logistic regression models do not help

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

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.

Gastrointestinal symptoms among endometriosis patients—A case-cohort study

L. Valentin, B. Ohlsson, P. Ekström, 2015, BMC Women's Health.

Assessment of changes in volume and vascularity of the ovaries during the normal menstrual cycle using three-dimensional power Doppler ultrasound

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2006 .

Rectal endosonography can distinguish benign rectal lesions from invasive early rectal cancers

L. Valentin, M. Bohe, M. Starck, 2003, Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.

If nuchal translucency screening is combined with first‐trimester serum screening the need for fetal karyotyping decreases

L. Valentin, C. Grunewald, H. Almström, 2006, Acta obstetricia et gynecologica Scandinavica.

By how much does increased nuchal translucency increase the risk of adverse pregnancy outcome in chromosomally normal fetuses? A study of 16 260 fetuses derived from an unselected pregnant population

L. Valentin, C. Grunewald, H. Almström, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Reply by Drs Vikhareva Osser & Valentin

L. Valentin, O. Vikhareva Osser, 2010 .

Assessment of Cesarean section scars with transvaginal sonography

L. Valentin, O. Vikhareva Osser, 2010 .

Subjective Recording of Fetal Movements

L. Valentin, B. Gullberg, O. Löfgren, 1984, Acta obstetricia et gynecologica Scandinavica.

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.

What to choose and why to use – a critical review on the clinical relevance of rASRM, EFI and Enzian classifications of endometriosis

L. Valentin, H. Roman, G. Condous, 2021, Facts, views & vision in ObGyn.

Intravenous contrast ultrasound examination using contrast‐tuned imaging (CnTI™) and the contrast medium SonoVue® for discrimination between benign and malignant adnexal masses with solid components

S. Huffel, V. Van Belle, D. Timmerman, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Unilocular adnexal cysts with papillary projections but no other solid components: is there a diagnostic method that can classify them reliably as benign or malignant before surgery?

D. Timmerman, L. Valentin, S. Van Huffel, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Mid‐trimester sonographic cervical consistency index to predict spontaneous preterm birth in a low‐risk population

L. Valentin, E. Gratacós, A. Perez-Moreno, 2018, Ultrasound in Obstetrics and Gynecology.

B‐flow ultrasound facilitates visualization of contrast medium during hysterosalpingo‐contrast sonography

L. Valentin, L. Zannoni, P. Sladkevicius, 2014, Ultrasound in Obstetrics and Gynecology.

Normal gynaecological anatomy (uterus, tubes, ovaries)

L. Valentin, P. Sladkevicius, 2009 .

Blood Flow Velocity in the Uterine and Ovarian Arteries During Menstruation

L. Valentin, K. Maršál, P. Sladkevicius, 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Number of Antral Follicles, Ovarian Volume, and Vascular Indices in Asymptomatic Women 20 to 39 Years Old as Assessed by 3‐Dimensional Sonography

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2012, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Intraobserver reproducibility of Doppler measurements of uterine artery blood flow velocity in premenopausal women

L. Valentin, M. Bland, P. Sladkevicius, 2001, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

P13.08: Assessment of changes in volume and vascularity of the ovaries during the normal menstrual cycle using three‐dimensional power Doppler ultrasound

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2005, Human reproduction.

Reproducibility of Doppler measurements of blood flow velocity in the uterine and ovarian arteries in premenopausal women.

L. Valentin, P. Sladkevicius, 1995, Ultrasound in medicine & biology.

Changes in ultrasound morphology of the uterus and ovaries during the menopausal transition and early postmenopause: a 4‐year longitudinal study

L. Valentin, A. Sokalska, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Transvaginal gray‐scale and Doppler ultrasound examinations of the uterus and ovaries in healthy postmenopausal women

L. Valentin, K. Maršál, P. Sladkevicius, 1995, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Lesion size affects diagnostic performance of IOTA logistic regression models, IOTA simple rules and risk of malignancy index in discriminating between benign and malignant adnexal masses

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

OC21.02: Lesion size affects the diagnostic performance of the International Ovarian Tumor Analysis (IOTA) logistic regression models, the IOTA simple rules and the risk of malignancy index to estimate the risk of malignancy in adnexal masses

B. van Calster, D. Timmerman, L. Valentin, 2012 .

Imaging of gynecological disease (6): clinical and ultrasound characteristics of ovarian dysgerminoma

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

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.

ROUTINE FORMAL FETAL MOVEMENT COUNTING AND RISK OF ANTEPARTUM LATE DEATH IN NORMALLY FORMED SINGLETONS

Adrian Grant, Diana Elbourne, Lil Valentin, 1989, The Lancet.

Three‐dimensional ultrasound assessment of the cervix for predicting time to spontaneous onset of labor and time to delivery in prolonged pregnancy

B. De Moor, L. Valentin, F. De Smet, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Second trimester cervical length measurements with transvaginal ultrasound: A prospective observational agreement and reliability study

L. Valentin, B. Jacobsson, H. Hagberg, 2020, Acta obstetricia et gynecologica Scandinavica.

An algorithm including results of gray‐scale and power Doppler ultrasound examination to predict endometrial malignancy in women with postmenopausal bleeding

B De Moor, L Skoog, B. De Moor, 2002, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Interobserver Agreement in Describing the Ultrasound Appearance of Adnexal Masses and in Calculating the Risk of Malignancy Using Logistic Regression Models

L. Valentin, P. Sladkevicius, 2014, Clinical Cancer Research.

Comparing Analytical Decision Support Models Through Boolean Rule Extraction: A Case Study of Ovarian Tumour Malignancy

Sabine Van Huffel, Paulo J. G. Lisboa, Dirk Timmerman, 2007, ISNN.

Agreement of two‐dimensional and three‐dimensional transvaginal ultrasound with magnetic resonance imaging in assessment of parametrial infiltration in cervical cancer

L. Valentin, A. Testa, A. Testa, 2015, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Two‐ and three‐dimensional saline contrast sonohysterography: interobserver agreement, agreement with hysteroscopy and diagnosis of endometrial malignancy

L. Valentin, P. Sladkevicius, G. Opolskiene, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Interobserver agreement in the results of Doppler examinations of extrauterine pelvic tumors

L. Valentin, P. Sladkevicius, 1995, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

MULTISCAN ‐ A Scandinavian multicenter second trimester obstetric ultrasound and serum screening study

L. Valentin, B. No̸rgaard-Pedersen, K. Maršál, 1999, Acta obstetricia et gynecologica Scandinavica.

Ultrasound dating at 12–14 or 15–20 weeks of gestation? A prospective cross‐validation of established dating formulae in a population of in‐vitro fertilized pregnancies randomized to early or late dating scan

L. Valentin, C. Grunewald, M. Kublickas, 2004, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Effect of a prostaglandin E1 analogue (gemeprost) on uterine and luteal circulation in normal first trimester pregnancies. A Doppler velocimetry study.

L. Valentin, K. Maršál, P. Olofsson, 1995, European journal of obstetrics, gynecology, and reproductive biology.

Clinical and ultrasound characteristics of surgically removed adnexal lesions with largest diameter ≤ 2.5 cm: a pictorial essay

D. Timmerman, L. Valentin, G. Scambia, 2017, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

Intra‐ and interobserver reproducibility of assessment of Doppler ultrasound findings in adnexal masses

L. Valentin, A. Testa, L. Savelli, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Intra‐ and interobserver agreement when describing adnexal masses using the International Ovarian Tumor Analysis terms and definitions: a study on three‐dimensional ultrasound volumes

L. Valentin, P. Sladkevicius, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prediction of endometrial malignancy in women with postmenopausal bleeding and sonographic endometrial thickness ≥ 4.5 mm

L. Valentin, P. Sladkevicius, G. Opolskiene, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Three‐dimensional ultrasound imaging for discrimination between benign and malignant endometrium in women with postmenopausal bleeding and sonographic endometrial thickness of at least 4.5 mm

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Confidence of expert ultrasound operators in making a diagnosis of adnexal tumor: effect on diagnostic accuracy and interobserver agreement

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

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.

External Validation of the Ovarian-Adnexal Reporting and Data System (O-RADS) Lexicon and the International Ovarian Tumor Analysis 2-Step Strategy to Stratify Ovarian Tumors Into O-RADS Risk Groups

B. van Calster, D. Timmerman, L. Valentin, 2022, JAMA oncology.

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.

Do pre-, early, and mid-pregnancy life events influence gestational length?

L. Valentin, K. Maršál, T. Thelin, 1999, Journal of psychosomatic obstetrics and gynaecology.

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.

Intraobserver and interobserver reproducibility of ultrasound measurements of endometrial thickness in postmenopausal women

L. Valentin, E. Epstein, 2002, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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.

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.

Cervical changes in twin pregnancies observed by transvaginal ultrasound during the latter half of pregnancy: a longitudinal, observational study

L. Valentin, I. Bergelin, I. Bergelin, 2003, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Appearance of the endometrium at saline contrast sonohysterography in the luteal phase of the menstrual cycle: a prospective observational study

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2015, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Inter-Rater Agreement for Diagnosing Adenomyosis Using Magnetic Resonance Imaging and Transvaginal Ultrasonography

L. Valentin, T. Van den Bosch, S. Guerriero, 2023, Diagnostics.

Does three‐dimensional power Doppler ultrasound help in discrimination between benign and malignant ovarian masses?

L. Valentin, L Jokubkiene, P Sladkevicius, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

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

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

Clinical evaluation of the fetus and neonate. Relation between intra-partum cardiotocography, Apgar score, cord blood acid-base status and neonatal morbidity.

K Marsál, L. Valentin, K. Maršál, 1993, Archives of gynecology and obstetrics.

Transvaginal Doppler examination for the differential diagnosis of solid pelvic tumors.

L. Valentin, K. Maršál, P. Sladkevicius, 1995, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

P11.06: 3D ultrasound assessment of the cervix for predicting time to spontaneous onset of labor and time to delivery in prolonged pregnancy

L. Valentin, P. Sladkevicius, L. Rovas, 2005 .

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.

Prediction of scar integrity and vaginal birth after caesarean delivery

L. Valentin, 2017 .

Prediction of scar integrity and vaginal birth after caesarean delivery ( VBAC )

L. Valentin, 2017 .

Reference data representative of normal findings at three‐dimensional power Doppler ultrasound examination of the cervix from 17 to 41 gestational weeks

L. Valentin, P. Sladkevicius, L. Rovas, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

European Federation of Societies for Ultrasound in Medicine and Biology

Fabio Piscaglia, Christoph Dietrich, L. Valentin, 2006 .

Fetal movement in the third trimester of normal pregnancy

L. Valentin, K. Maršál, 1986, Early human development.

Gynaecological ultrasound in clinical practice

L. Valentin, S. Vyas, D. Jurković, 2009 .

Blood flow velocity in the uterine and ovarian arteries during the normal menstrual cycle

L. Valentin, K. Maršál, P. Sladkevicius, 1993, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Reproducibility of Doppler blood flow velocity measurements in the uterine and ovarian arteries of postmenopausal women

L. Valentin, P. Sladkevicius, 1995 .

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.

Using Bayesian neural networks with ARD input selection to detect malignant ovarian masses prior to surgery

Sabine Van Huffel, Dirk Timmerman, Ian T. Nabney, 2008, Neural Computing and Applications.

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.

The ADNEX risk prediction model for ovarian cancer diagnosis: A systematic review and meta-analysis of external validation studies

D. Timmerman, L. Valentin, P. Dhiman, 2023, medRxiv.

Ovarian size and vascularization as assessed by three-dimensional grayscale and power Doppler ultrasound in asymptomatic women 20-39 years old using combined oral contraceptives.

L. Valentin, L. Jokubkiene, P. Sladkevicius, 2012, Contraception.

Imaging in gynecological disease (8): ultrasound characteristics of recurrent borderline ovarian tumors

D. Timmerman, L. Valentin, N. Colombo, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Clinical and ultrasound characteristics of surgically removed adnexal lesions with a largest diameter < 2.5 cm: a pictorial essay Very small adnexal lesions

D. Timmerman, L. Valentin, F. Mascilini, 2016 .

Ultrasound and adnexal pathology: what is the evidence?

D. Timmerman, L. Valentin, W. Froyman, 2016 .

High‐quality gynecological ultrasound can be highly beneficial, but poor‐quality gynecological ultrasound can do harm

L. Valentin, 1999, 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

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

Gynaecological ultrasound in clinical practice

L. Valentin, A. Coady, S. Vyas, 2009 .