A. Machens

H. Dralle, A. Machens, 2009, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Surgical approaches in thyroid cancer and lymph-node metastases.

H. Dralle, A. Machens, 2008, Best practice & research. Clinical endocrinology & metabolism.

Risk Patterns of Distant Metastases in Follicular, Papillary and Medullary Thyroid Cancer

K. Lorenz, H. Dralle, A. Machens, 2021, Hormone and Metabolic Research.

The impact of surgical technique on postoperative hypoparathyroidism in bilateral thyroid surgery: a multivariate analysis of 5846 consecutive patients.

C. Sekulla, H. Dralle, A. Machens, 2003, Surgery.

Multiple endokrine Neoplasien

S. Bohlander, H. Dralle, V. Fendrich, 2013 .

Hypercalcitoninemia in thyroid conditions other than medullary thyroid carcinoma: a comparative analysis of calcium and pentagastrin stimulation of serum calcitonin

H. Holzhausen, K. Lorenz, H. Dralle, 2013, Langenbeck's Archives of Surgery.

Variability in penetrance of multiple endocrine neoplasia 2A with amino acid substitutions in RET codon 634

H. Dralle, A. Machens, 2016, Clinical endocrinology.

The Clinical Spectrum of Multiple Endocrine Neoplasia Type 2a Caused by the Rare Intracellular RET Mutation S891A

H. Dralle, P. Beck‐Peccoz, S. Aylwin, 2010 .

Surgical Curability of Medullary Thyroid Cancer in Multiple Endocrine Neoplasia 2B: A Changing Perspective

J. Varhaug, K. Lorenz, H. Dralle, 2014, Annals of surgery.

Familial prevalence and age of RET germline mutations: implications for screening

H. Dralle, A. Machens, 2008, Clinical endocrinology.

Kidney malformations and Hirschsprung’s disease in carriers of cysteine mutations in exon 10 of the RET proto-oncogene

K. Lorenz, H. Dralle, A. Machens, 2021, Endocrine.

Skip metastases in thyroid cancer leaping the central lymph node compartment.

H. Holzhausen, H. Dralle, A. Machens, 2004, Archives of surgery.

Genotype-phenotype correlations in hereditary medullary thyroid carcinoma: oncological features and biochemical properties.

B. Boehm, R. Hinze, H. Dralle, 2001, The Journal of clinical endocrinology and metabolism.

Biomarker-based risk stratification for previously untreated medullary thyroid cancer.

H. Dralle, A. Machens, 2010, The Journal of clinical endocrinology and metabolism.

Benefit-Risk Balance of Reoperation for Persistent Medullary Thyroid Cancer

H. Dralle, A. Machens, 2013, Annals of surgery.

Improved prediction of calcitonin normalization in medullary thyroid carcinoma patients by quantitative lymph node analysis

R. Hinze, H. Dralle, A. Machens, 2000, Cancer.

Correlation between the number of lymph node metastases and lung metastasis in papillary thyroid cancer.

H. Dralle, A. Machens, 2012, The Journal of clinical endocrinology and metabolism.

Postoperative vocal fold palsy in patients undergoing thyroid surgery with continuous or intermittent nerve monitoring

C. Sekulla, K. Lorenz, H. Dralle, 2015, The British journal of surgery.

Prediction of lateral lymph node metastases in medullary thyroid cancer

S. Hauptmann, H. Dralle, A. Machens, 2008, The British journal of surgery.

Validity of intra-operative neuromonitoring signals in thyroid surgery

C. Sekulla, H. Dralle, A. Machens, 2004, Langenbeck's archives of surgery (Print).

Disease impacts more than age on operative morbidity in children with Graves’ disease after total thyroidectomy

K. Lorenz, H. Dralle, A. Machens, 2018, Surgery.

Importance of gender-specific calcitonin thresholds in screening for occult sporadic medullary thyroid cancer.

C. Sekulla, H. Dralle, A. Machens, 2009, Endocrine-related cancer.

Prognostic Impact of N Staging in 715 Medullary Thyroid Cancer Patients: Proposal for a Revised Staging System

H. Dralle, A. Machens, 2013, Annals of surgery.

M. Rothmund, D. Bartsch, H. Dralle, 2007, Clinical endocrinology.

Difference in development of medullary thyroid carcinoma among carriers of RET mutations in codons 790 and 791 *

H. Dralle, B. Niederle, A. Machens, 2008, Clinical endocrinology.

Surgical Treatment of Endocrine Tumors

H. Dralle, A. Machens, P. Thanh, 2018 .

Reply to: Response to "Breach of the thyroid capsule and lymph node capsule in node-positive papillary and medullary thyroid cancer: Different biology".

H. Dralle, A. Machens, H. Dralle, 2016, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Surgical Management of Aerodigestive Tract Invasion in Thyroid Cancer

H. Dralle, A. Machens, M. Brauckhoff, 2012 .

Impact of extent of resection for thyroid cancer invading the aerodigestive tract on surgical morbidity, local recurrence, and cancer-specific survival.

C. Sekulla, K. Lorenz, H. Dralle, 2010, Surgery.

Introduction of bias by merging patients with initial surgery and reoperations in analysis of survival.

H. Dralle, A. Machens, 2008, Annals of surgery.

Differential diagnosis of calcitonin-secreting neuroendocrine carcinoma of the foregut by pentagastrin stimulation

H. Holzhausen, H. Dralle, A. Machens, 2000, Langenbeck's Archives of Surgery.

Minimally invasive surgery for recurrent neuroendocrine carcinoma of the supraglottic larynx

H. Holzhausen, H. Dralle, A. Machens, 1999, European Archives of Oto-Rhino-Laryngology.

State of the art: surgery for endemic goiter—a plea for individualizing the extent of resection instead of heading for routine total thyroidectomy

K. Lorenz, H. Dralle, A. Machens, 2011, Langenbeck's Archives of Surgery.

Change remains — paradigm shifts in modern surgery

A. Machens, A. Hirner, S. Scheingraber, 2004, Medicine, health care, and philosophy.

Premonitory symptoms preceding metastatic medullary thyroid cancer in MEN 2B: An exploratory analysis.

S. Hess, C. Sekulla, K. Lorenz, 2008, Surgery.

Pheochromocytoma penetrance varies by RET mutation in MEN 2A.

H. Dralle, A. Machens, 2008, Surgery.

Syndromic Medullary Thyroid Cancer: MEN 2A and MEN 2B

H. Dralle, A. Machens, 2021 .

Therapeutic Effectiveness of Screening for Multiple Endocrine Neoplasia Type 2A.

H. Dralle, A. Machens, 2015, The Journal of clinical endocrinology and metabolism.

Surgical Treatment of Medullary Thyroid Cancer.

H. Dralle, A. Machens, 2015, Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer.

Genotype‐specific progression of hereditary medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2018, Human mutation.

Germline RET sequence variation I852M and occult medullary thyroid cancer: harmless polymorphism or causative mutation?

B. Pützer, K. Lorenz, H. Dralle, 2011, Clinical endocrinology.

Parathyroid gland preservation in situ versus total parathyroidectomy with autotransplantation in patients at risk of MEN2A.

H. Dralle, A. Machens, 2009, Endocrine journal.

165 Medullary Thyroid Carcinoma

H. Dralle, A. Machens, 2009 .

Very early manifestation of hereditary medullary thyroid cancer in carriers of intracellular-domain RET mutations.

H. Dralle, A. Machens, 2007, Journal of pediatric surgery.

Malignant progression from C-cell hyperplasia to medullary thyroid carcinoma in 167 carriers of RET germline mutations.

H. Holzhausen, H. Dralle, A. Machens, 2003, Surgery.

Minimally invasive compared with conventional thyroidectomy for nodular goitre.

H. Dralle, A. Machens, P. Thanh, 2014, Best practice & research. Clinical endocrinology & metabolism.

Disease-Free Survival and Time Bias in Long-Term Follow-Up After Complete Resection of Localized Well-Differentiated Cancer

H. Dralle, A. Machens, 2011, Annals of Surgical Oncology.

Clinical Presentation, Treatment, and Outcome of Parathyroid Carcinoma

K. Lorenz, H. Dralle, C. Spitzweg, 2020, Annals of surgery.

Natural history, treatment, and long-term follow up of patients with multiple endocrine neoplasia type 2B: an international, multicentre, retrospective study.

A. Tabarin, E. Baudin, C. Eng, 2019, The lancet. Diabetes & endocrinology.

Imaging findings of thyroidal sarcoma.

H. Holzhausen, H. Dralle, A. Machens, 2014, Clinical imaging.

Surgery on the cervicovisceral axis for invasive thyroid cancer

R. Hinze, H. Dralle, A. Machens, 2001, Langenbeck's Archives of Surgery.

Thyroid carcinoma invading the cervicovisceral axis: routes of invasion and clinical implications.

R. Hinze, H. Dralle, C. Lautenschläger, 2001, Surgery.

Temporal trends in referrals of RET gene carriers for neck surgery to a tertiary surgical center in the era of international management guidelines

A. Stang, K. Lorenz, H. Dralle, 2022, Endocrine.

Advances in risk-oriented surgery for multiple endocrine neoplasia type 2.

H. Dralle, A. Machens, 2017, Endocrine-related cancer.

Peak incidence of pheochromocytoma and primary hyperparathyroidism in multiple endocrine neoplasia 2: need for age-adjusted biochemical screening.

K. Lorenz, H. Dralle, A. Machens, 2013, The Journal of clinical endocrinology and metabolism.

Multiple endocrine neoplasia type 2: achievements and current challenges

H. Dralle, A. Machens, Andreas Machens, 2012, Clinics.

Continuous intraoperative vagus nerve stimulation for identification of imminent recurrent laryngeal nerve injury

C. Sekulla, K. Lorenz, H. Dralle, 2013, Head & neck.

Surgical management of the lateral neck compartment for metastatic thyroid cancer

H. Dralle, A. Machens, 2013, Current opinion in oncology.

Human autoantibodies to spermatogenic antigens and Sertoli cells.

M. Schmid, T. Haaf, A. Machens, 1990, The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society.

Multivariate Analysis of Risk Factors for Postoperative Complications in Benign Goiter Surgery: Prospective Multicenter Study in Germany

H. Lippert, C. Sekulla, H. Dralle, 2000, World Journal of Surgery.

Prospective Multicentric Evaluation Studies for Analysis of Surgical Risk Factors in Thyroid Surgery

H. Lippert, C. Sekulla, K. Lorenz, 2010 .

Loss of the nerve monitoring signal during bilateral thyroid surgery

C. Sekulla, K. Lorenz, H. Dralle, 2012, The British journal of surgery.

Thyroid Surgery Guided by Intraoperative Neuromonitoring

K. Lorenz, H. Dralle, G. Randolph, 2012 .

Prediction of Postoperative Vocal Fold Function After Intraoperative Recovery of Loss of Signal

C. Sekulla, K. Lorenz, H. Dralle, 2018, The Laryngoscope.

Intraoperative neuromonitoring of surgery for benign goiter.

C. Sekulla, H. Dralle, A. Machens, 2002, American journal of surgery.

Intraoperative nerve monitoring in thyroid surgery-shifting current paradigms.

K. Lorenz, H. Dralle, A. Machens, 2020, Gland surgery.

Follicular cell-derived thyroid cancer

S. Franceschi, Y. Nikiforov, H. Dralle, 2015, Nature Reviews Disease Primers.

Loss of Signal in IONM and Staged Thyroid Surgery

C. Sekulla, K. Lorenz, H. Dralle, 2016 .

Radiological features of metastases to the thyroid

R. Spielmann, H. Holzhausen, H. Dralle, 2016, Acta radiologica.

Outcome after thyroid surgery for metastasis from renal cell cancer.

H. Dralle, A. Machens, 2010, Surgery.

Prediction of biochemical cure in patients with medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2020, The British journal of surgery.

Revised American Thyroid Association guidelines for the management of medullary thyroid carcinoma.

Douglas B. Evans, N. Lee, M. Santoro, 2015, Thyroid : official journal of the American Thyroid Association.

Locoregional recurrence and death from medullary thyroid carcinoma in a contemporaneous series: 5-year results.

S. Hauptmann, H. Dralle, A. Machens, 2007, European journal of endocrinology.

Time to calcitonin normalization after surgery for node‐negative and node‐positive medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2019, The British journal of surgery.

Prospects of remission in medullary thyroid carcinoma according to basal calcitonin level.

H. Holzhausen, H. Dralle, A. Machens, 2005, The Journal of clinical endocrinology and metabolism.

An unusual case of segmental dilatation of the sigmoid colon.

A. Machens, F. Thonke, D. Kluth, 1997, European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie.

Risk‐Oriented Approach to Hereditary Adrenal Pheochromocytoma

H. Dralle, A. Machens, M. Brauckhoff, 2006, Annals of the New York Academy of Sciences.

Toxic megacolon caused by cytomegalovirus colitis in a multiply injured patient.

J. Izbicki, A. Machens, C. Bloechle, 1996, The Journal of trauma.

Mycotic aneurysm of common carotid artery induced byStaphylococcus bureus infection after cervical reoperation

H. Dralle, A. Machens, 2001, World Journal of Surgery.

Verdicts on malpractice claims after thyroid surgery: Emerging trends and future directions

K. Lorenz, H. Dralle, A. Machens, 2012, Head & neck.

Latencies Shorter than 3.5 ms After Vagus Nerve Stimulation Signify a Nonrecurrent Inferior Laryngeal Nerve Before Dissection

C. Sekulla, K. Lorenz, H. Dralle, 2011, Annals of surgery.

Opportunities and challenges of intermittent and continuous intraoperative neural monitoring in thyroid surgery.

K. Lorenz, H. Dralle, G. Randolph, 2017, Gland surgery.

[Surgical strategy during intended total thyroidectomy after loss of EMG signal on the first side of resection].

C. Sekulla, K. Lorenz, H. Dralle, 2015, Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen.

Continuous Intraoperative Neuromonitoring (CIONM) of the Recurrent Laryngeal Nerve

K. Lorenz, H. Dralle, G. Randolph, 2016 .

Reply to letter: "Limits of neuromonitoring in thyroid surgery": vagus nerve stimulation for diagnosis of a nonrecurrent laryngeal nerve.

C. Sekulla, K. Lorenz, H. Dralle, 2013, Annals of Surgery.

Superiority of continuous over intermittent intraoperative nerve monitoring in preventing vocal cord palsy.

C. Sekulla, K. Lorenz, H. Dralle, 2021, British Journal of Surgery.

Impact of continuous intraoperative vagus stimulation on intraoperative decision making in favor of or against bilateral surgery in benign goiter.

K. Lorenz, H. Dralle, G. Randolph, 2019, Best practice & research. Clinical endocrinology & metabolism.

Continuous intraoperative neural monitoring of the recurrent nerves in thyroid surgery: a quantum leap in technology.

H. Dralle, G. Dionigi, G. Randolph, 2016, Gland surgery.

Prospective study of vocal fold function after loss of the neuromonitoring signal in thyroid surgery: The International Neural Monitoring Study Group's POLT study

A. Miyauchi, C. Sekulla, K. Lorenz, 2016, The Laryngoscope.

[Vocal cord paralysis after thyroid surgery : Current medicolegal aspects of intraoperative neuromonitoring].

C. Sekulla, K. Lorenz, H. Dralle, 2015, Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen.

Twenty‐year experience of paediatric thyroid surgery using intraoperative nerve monitoring

C. Sekulla, K. Lorenz, H. Dralle, 2018, The British journal of surgery.

Continuous intraoperative monitoring of vagus and recurrent laryngeal nerve function in patients with advanced atrioventricular block

H. Dralle, A. Machens, C. Raspé, 2016, Langenbeck's Archives of Surgery.

Dynamics of loss and recovery of the nerve monitoring signal during thyroidectomy predict early postoperative vocal fold function

C. Sekulla, K. Lorenz, H. Dralle, 2016, Head & neck.

Superiority of continuous over intermittent intraoperative nerve monitoring in preventing vocal cord palsy.

C. Sekulla, K. Lorenz, H. Dralle, 2020, The British journal of surgery.

Evolution and progress of continuous intraoperative neural monitoring

K. Lorenz, H. Dralle, G. Randolph, 2018, Annals of Thyroid.

European endocrine surgery in the 150-year history of Langenbeck’s Archives of Surgery

H. Dralle, A. Machens, 2010, Langenbeck's Archives of Surgery.

[Surgery for benign goiter in Germany: fewer operations, changed resectional strategy, fewer complications].

A. Stang, C. Sekulla, K. Lorenz, 2014, Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen.

Morbidity after transsternal thymectomy for myasthenia gravis: a changing perspective?

J. Izbicki, A. Machens, C. Busch, 1998, The Thoracic and cardiovascular surgeon.

Correlation of thymic pathology with HLA in myasthenia gravis.

J. Izbicki, U. Pichlmeier, A. Machens, 1999, Clinical immunology.

Early malignant progression of hereditary medullary thyroid cancer.

H. Dralle, T. van Vroonhoven, A. Machens, 2003, The New England journal of medicine.

Long‐term outcome of prophylactic thyroidectomy in children carrying RET germline mutations

K. Lorenz, H. Dralle, A. Machens, 2018, The British journal of surgery.

Referral bias in thyroid cancer surgery: direction and magnitude.

S. Hauptmann, H. Dralle, A. Machens, 2008, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Impact of central node dissection on postoperative morbidity in pediatric patients with suspected or proven thyroid cancer.

K. Lorenz, H. Dralle, A. Machens, 2016, Surgery.

Recurrent Laryngeal Nerve Preservation Strategies in Pediatric Thyroid Oncology: Continuous vs. Intermittent Nerve Monitoring

C. Sekulla, K. Lorenz, H. Dralle, 2021, Cancers.

Prophylactic neck surgery for second-generation multiple endocrine neoplasia type 2B.

K. Lorenz, H. Dralle, A. Machens, 2020, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Papillary thyroid cancer in children and adolescents does not differ in growth pattern and metastatic behavior.

K. Lorenz, H. Dralle, A. Machens, 2010, The Journal of pediatrics.

Revised American Thyroid Association Guidelines for the Management of Medullary Thyroid Carcinoma

Steven, Douglas B. Evans, N. Lee, 2018, Pediatrics.

Immunocytogenetics. II. Human autoantibodies to synaptonemal complexes.

M. Schmid, T. Haaf, A. Machens, 1989, Cytogenetics and cell genetics.

The impact of HLA on long-term outcome after thymectomy for myasthenia gravis

J. Izbicki, U. Pichlmeier, A. Machens, 1998, Journal of Neuroimmunology.

Lymph node dissection in the lateral neck for completion in central node-positive papillary thyroid cancer.

S. Hauptmann, H. Dralle, A. Machens, 2009, Surgery.

[Extent of resection in intrathyroidal medullary thyroid cancer].

K. Lorenz, H. Dralle, U. Siebolts, 2020, Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen.

Surgical Treatment of Endocrine Tumors: Enucleation

A. Machens, P. Thanh, H. Dralle, 2018 .

100-Year evolution of precision medicine and surgery for multiple endocrine neoplasia type 2A

K. Lorenz, H. Dralle, A. Machens, 2020, Endocrine.

Extended surgery and early postoperative radiotherapy for undifferentiated thyroid carcinoma.

R. Hinze, J. Dunst, H. Dralle, 2001, Thyroid : official journal of the American Thyroid Association.

Enhancement of lymph node metastasis and distant metastasis of thyroid carcinoma

H. Holzhausen, H. Dralle, C. Lautenschläger, 2003, Cancer.

Parathyroid Hormone Levels Predict Long-Term Outcome After Operative Management of Parathyroid Cancer

K. Lorenz, H. Dralle, A. Machens, 2017, Hormone and Metabolic Research.

Clinical relevance of RET variants G691S, L769L, S836S and S904S to sporadic medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2012, Clinical endocrinology.

Long-Term Survivorship in Multiple Endocrine Neoplasia Type 2B Diagnosed Before and in the New Millennium

H. Dralle, T. Bruckner, A. Machens, 2018, The Journal of clinical endocrinology and metabolism.

Multiple endocrine neoplasia type 2 and the RET protooncogene: From bedside to bench to bedside

H. Dralle, A. Machens, Henning Dralle, 2006, Molecular and Cellular Endocrinology.

Adjuvant mitotane in adrenocortical carcinoma.

H. Dralle, A. Machens, 2007, The New England journal of medicine.

Recurrent ipsilateral pheochromocytoma in carriers of RET p.Cys634 missense mutations

K. Lorenz, H. Dralle, A. Machens, 2022, Endocrine.

Molecular epidemiology of multiple endocrine neoplasia 2: implications for RET screening in the new millenium.

C. Sekulla, K. Lorenz, H. Dralle, 2013, European journal of endocrinology.

Prophylactic completion thyroidectomy for differentiated thyroid carcinoma: prediction of extrathyroidal soft tissue infiltrates.

R. Hinze, H. Dralle, C. Lautenschläger, 2001, Thyroid : official journal of the American Thyroid Association.

Individualization of Lymph Node Dissection in RET (Rearranged During Transfection) Carriers at Risk for Medullary Thyroid Cancer: Value of Pretherapeutic Calcitonin Levels

K. Lorenz, H. Dralle, A. Machens, 2009, Annals of surgery.

Surgical cure rates of sporadic medullary thyroid cancer in the era of calcitonin screening.

H. Dralle, A. Machens, 2016, European journal of endocrinology.

Simultaneously occurring liver metastases of pheochromocytoma and medullary thyroid carcinoma--a diagnostic pitfall with clinical implications for patients with multiple endocrine neoplasia type 2a.

R. Hinze, H. Holzhausen, F. Rath, 2000, Pathology, research and practice.

Gastric tonometry and drain amylase analysis in the detection of cervical oesophagogastric leakage

A. Machens, J. Izbicki, C. Busch, 1996, The British journal of surgery.

Constitutive RET tyrosine kinase activation in hereditary medullary thyroid cancer: clinical opportunities

K. Lorenz, H. Dralle, A. Machens, 2009, Journal of internal medicine.

The clinical spectrum of multiple endocrine neoplasia type 2a caused by the rare intracellular RET mutation S891A.

H. Dralle, P. Beck‐Peccoz, S. Aylwin, 2010, The Journal of clinical endocrinology and metabolism.

Exceptionality of Distant Metastases in Node-Negative Hereditary and Sporadic Medullary Thyroid Cancer: Lessons Learned.

K. Lorenz, H. Dralle, A. Machens, 2021, The Journal of clinical endocrinology and metabolism.

Progression of medullary thyroid cancer in RET carriers of ATA class A and C mutations.

K. Lorenz, H. Dralle, A. Machens, 2014, The Journal of clinical endocrinology and metabolism.

Prophylactic thyroidectomy in RET carriers at risk for hereditary medullary thyroid cancer.

H. Dralle, A. Machens, 2009, Thyroid : official journal of the American Thyroid Association.

Timing and Extent of Surgery for a Pediatric Patient with Hereditary MTC and Positive Screening for the p.S891A RET Mutation

H. Dralle, A. Machens, 2020, Thyroid Cancer.

Timing and Extent of Surgery for a Pediatric Patient with Hereditary MTC and Positive Screening for the S891A RET Mutation

H. Dralle, A. Machens, 2016 .

DNA-based window of opportunity for curative pre-emptive therapy of hereditary medullary thyroid cancer.

H. Dralle, A. Machens, 2006, Surgery.

Hypercalcitoninemia in a Sporadic Asymptomatic Neuroendocrine Tumor of the Pancreatic Tail

R. Hinze, H. Dralle, A. Machens, 2000, Digestive Surgery.

Laparoscopic Treatment of Morbid Obesity. Reports of an International Meeting May 4–6, 2000, Bern, Switzerland

H. Ikeuchi, M. Schäfer, M. Büchler, 2000, Digestive Surgery.

Extended Resection for Thyroid Disease is Associated With More, Not Less Operative Morbidity Than Limited Resection

H. Dralle, A. Machens, 2007, World Journal of Surgery.

Increased Risk of Lymph Node Metastasis in Multifocal Hereditary and Sporadic Medullary Thyroid Cancer

S. Hauptmann, H. Dralle, A. Machens, 2007, World Journal of Surgery.

Breach of the thyroid capsule and lymph node capsule in node-positive papillary and medullary thyroid cancer: Different biology.

H. Dralle, A. Machens, 2015, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Letter to the Editor: "p.Val804Met, the Most Frequent Pathogenic Mutation in RET, Confers a Very Low Lifetime Risk of Medullary Thyroid Cancer".

H. Dralle, A. Machens, 2018, The Journal of clinical endocrinology and metabolism.

Chapter 34 – Surgical Management of Advanced Thyroid Cancer Invading the Aerodigestive Tract

H. Dralle, A. Machens, M. Brauckhoff, 2005 .

Chemoembolization of Liver Metastases from Medullary Thyroid Carcinoma

H. Dralle, A. Machens, C. Behrmann, 2000, Annals of Internal Medicine.

Superiority of metastatic lymph node ratio over number of node metastases and TNM/AJCC N classification in predicting cancer‐specific survival in medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2022, Head & neck.

Metastatic Risk Profile of Microscopic Lymphatic and Venous Invasion in Medullary Thyroid Cancer

K. Lorenz, H. Dralle, A. Machens, 2021, Hormone and Metabolic Research.

Lymph node metastasis in hereditary medullary thyroid cancer is independent of the underlying RET germline mutation.

K. Lorenz, H. Dralle, A. Machens, 2020, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Contralateral cervical and mediastinal lymph node metastasis in medullary thyroid cancer: systemic disease?

H. Holzhausen, H. Dralle, A. Machens, 2006, Surgery.

Medullary thyroid cancer responsiveness to pentagastrin stimulation: an early surrogate parameter of tumor dissemination?

S. Hauptmann, H. Dralle, A. Machens, 2008, The Journal of clinical endocrinology and metabolism.

Peak calcitonin cut‐off levels for the diagnosis of occult medullary thyroid cancer: evidence of confounding by gender

H. Dralle, A. Machens, 2010, Clinical Endocrinology.

Abandoning node dissection for desmoplasia-negative encapsulated unifocal sporadic medullary thyroid cancer.

K. Schmid, K. Lorenz, H. Dralle, 2021, Surgery.

Repeat mediastinal lymph-node dissection for palliation in advanced medullary thyroid carcinoma

H. Dralle, A. Machens, J. Ukkat, 1999, Langenbeck's Archives of Surgery.

Postoperative Infection After Transsternal Thymectomy for Myasthenia Gravis: A Retrospective Analysis of 125 Cases

J. Izbicki, A. Machens, C. Busch, 1998, Surgery Today.

Pretargeted anti-carcinoembryonic-antigen radioimmunotherapy for medullary thyroid carcinoma.

H. Dralle, A. Machens, 2006, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

[Thyroid carcinoma found incidentally after thyroidectomy: postoperative strategy].

K. Lorenz, H. Dralle, A. Machens, 2009, Deutsche medizinische Wochenschrift.

Clinical relevance of desmoplasia in medullary thyroid carcinoma

H. Dralle, A. Machens, 2008, Histopathology.

Neuroendocrine tumor of the common hepatic duct: a rare cause of extrahepatic jaundice in adolescence.

H. Holzhausen, H. Cario, H. Dralle, 1998, Surgery.

Clinical Presentation, Treatment and Outcome of Parathyroid Carcinoma: Results of the NEKAR Retrospective International Multicenter Study

K. Lorenz, H. Dralle, C. Spitzweg, 2020, SSRN Electronic Journal.

Pattern of Nodal Metastasis for Primary and Reoperative Thyroid Cancer

R. Hinze, A. Machens, O. Thomusch, 2001, World Journal of Surgery.

Histology-proven recurrence in the lateral or central neck after systematic neck dissection for medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2018, Endocrine.

Angiography-proven liver metastases explain low efficacy of lymph node dissections in medullary thyroid cancer patients.

H. Dralle, A. Machens, 2005, European Journal of Surgical Oncology.

Metastatic risk profile of microscopic lymphatic and venous invasion in papillary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2022, Clinical Otolaryngology.

Revised American Thyroid Association guidelines for the management of medullary thyroid carcinoma.

Douglas B. Evans, N. Lee, M. Santoro, 2015, Thyroid : official journal of the American Thyroid Association.

Clinical presentation of MEN 2A in index vs. non-index patients

D. Führer-Sakel, A. Machens, F. Weber, 2023, Endocrine.

Medullary thyroid cancer and pheochromocytoma in MEN2A: are there parent of origin effects on disease expression?

K. Lorenz, H. Dralle, A. Machens, 2021, Familial Cancer.

Geographic epidemiology of medullary thyroid cancer families: unearthing European ancestral heritage.

K. Lorenz, H. Dralle, A. Machens, 2018, Endocrine-related cancer.

The Changing Face of Multiple Endocrine Neoplasia 2A: From Symptom-Based to Preventative Medicine.

D. Führer-Sakel, A. Machens, F. Weber, 2023, The Journal of clinical endocrinology and metabolism.

Population-Based Genomic RET Screening.

A. Machens, H. Dralle, 2023, JAMA Otolaryngology - Head and Neck Surgery.

Clinical Significance of Coexistence of Hashimoto Thyroiditis and Graves' Disease with Differentiated and Medullary Thyroid Cancer.

K. Lorenz, H. Dralle, A. Machens, 2021, Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association.

Primary surgery for differentiated thyroid cancer in the new millennium.

A. Machens, H. Dralle, 2012, Journal of endocrinological investigation.

Prediction of Mediastinal Lymph Node Metastasis in Papillary Thyroid Cancer

H. Dralle, A. Machens, 2008, Annals of Surgical Oncology.

Revised American Thyroid Association Guidelines for the Management of Medullary Thyroid Carcinoma

Douglas B. Evans, N. Lee, M. Santoro, 2018, Pediatrics.

Individualization of Lymph Node Dissection in RET (Rearranged During Transfection) Carriers at Risk for Medullary Thyroid Cancer: Value of Pretherapeutic Calcitonin Levels

K. Lorenz, H. Dralle, A. Machens, 2009, Annals of surgery.

Sex Differences in MEN 2A Penetrance and Expression According to Parental Inheritance.

K. Lorenz, H. Dralle, A. Machens, 2022, European journal of endocrinology.

Clinical relevance of RET variants G691S, L769L, S836S and S904S to sporadic medullary thyroid cancer

K. Lorenz, H. Dralle, A. Machens, 2012, Clinical endocrinology.