mr. P.Q.Q. Blijderveen

mr. P.Q.Q. Blijderveen

Full Professor
mr. P.Q.Q. Blijderveen
  • Department of Endrocine Oncology

Research Programs

Strategic Program Cancer



Endocrinology and endocrine oncology are the main focus of the clinical activities of Gerlof Valk. (Neuro-) endocrine tumors diagnosis, treatment and follow-up, care for patients with Multiple Endocrine Neoplasia (MEN) and the standardization and continuous improvement of the national care for patients with MEN are his specific areas of expertise. Epidemiologic and translational research within the field of MEN related (pancreatic) neuroendocrine tumors is his main research focus including innovative treatment strategies and personalized cancer care.



2014 – today 

Internist-endocrinologist, professor of endocrinology with emphasis on endocrine tumors, head of section endocrinology, program director endocrinology residency


2007 – 2014  

Internist-endocrinologist, vice program director internal medicine residency


1997 – 2001  

Senior researcher, Institute for Extramural Medical Research (EMGO Institute), Free University Medical Centre



2007 Certification National Board of Internal Medicine and Endocrinology

2002 MSc Clinical Epidemiology

1997 PhD Thesis: ‘The diagnosing of diabetic polyneuropathy in daily clinical practice’. Free University Medical Centre, Amsterdam

1994 Certification National Board of General Practitioners

1990 MD (cum laude)


Side Activities

National coordinator of the European Reference Network (ERN) Rare Endocrine Conditions

Member of the daily board of BijnierNET

Lead of ENETS task force MEN 1

Research Output (197)

Assessing Outcomes After Adrenalectomy for Primary Aldosteronism - Early is Accurate:Retrospective Cohort Study

Suurd Diederik P D, Vorselaars Wessel M C M, Van Beek Dirk-Jan, Borel Rinkes Inne H M, Spiering Wilko, Valk Gerlof D, Vriens Menno R 1 Nov 2022, In: Annals of surgery. 276 , p. 929-934 6 p.

Defining disease status in gastroenteropancreatic neuroendocrine tumors:Choi-criteria or RECIST?

van Treijen M J C, Schoevers J M H, Heeres B C, van der Zee D, Maas M, Valk G D, Tesselaar M E T Mar 2022, In: Abdominal Radiology. 47 , p. 1071-1081 11 p.

Is There a Role for Biomarkers in Surveillance of Pancreatic Neuroendocrine Neoplasms in Von Hippel-Lindau Disease?

Naber Myrthe R, Ahmad Saya, Verrijn Stuart Annemarie A, Giles Rachel H, Valk Gerlof D, van Leeuwaarde Rachel S 1 Feb 2022, In: JOURNAL OF THE ENDOCRINE SOCIETY. 6 , p. 1-6

Diagnosing pancreatic neuroendocrine tumors in patients with multiple endocrine neoplasia type 1 in daily practice

van Beek Dirk-Jan, Pieterman Carolina R C, Wessels Frank J, van de Ven Annenienke C, de Herder Wouter W, Dekkers Olaf M, Zandee Wouter T, Drent Madeleine L, Bisschop Peter H, Havekes Bas, Borel Rinkes Inne H M, Vriens Menno R, Valk Gerlof D 2022, In: Frontiers in Endocrinology. 13

Opposite incidence trends for differentiated and medullary thyroid cancer in young dutch patients over a 30‐year time span

Lebbink Chantal A., van den Broek Medard F.M., Kwast Annemiek B.G., Derikx Joep P.M., Dierselhuis Miranda P., Kruijff Schelto, Links Thera P., van Trotsenburg A. S.Paul, Valk Gerlof D., Vriens Menno R., Verrijn Stuart Annemarie A., van Santen Hanneke M., Karim‐kos Henrike E. 2 Oct 2021, In: Cancers. 13

Reducing failures in daily medical practice:Healthcare failure mode and effect analysis combined with computer simulation

Leeftink A. G., Visser J., de Laat J. M., van der Meij N. T.M., Vos J. B.H., Valk G. D. Oct 2021, In: Ergonomics. 64 , p. 1322-1332 11 p.

Initiating Pancreatic Neuroendocrine Tumor (pNET) Screening in Young MEN1 Patients:results from the DutchMEN Study Group

Klein Haneveld Mirthe J, van Treijen Mark J C, Pieterman Carolina R C, Dekkers Olaf M, van de Ven Annenienke, de Herder Wouter W, Zandee Wouter T, Drent Madeleine L, Bisschop Peter H, Havekes Bas, Vriens Menno R, Verrijn Stuart Annemarie A, Valk Gerlof D, van Leeuwaarde Rachel S 1 Aug 2021, In: The Journal of clinical endocrinology and metabolism. 106 , p. 3515-3525 11 p.

Complications After Major Surgery for Duodenopancreatic Neuroendocrine Tumors in Patients with MEN1:Results from a Nationwide Cohort

van Beek Dirk Jan, Nell Sjoerd, Vorselaars Wessel M.C.M., Bonsing Bert A., van Eijck Casper H.J., van Goor Harry, Nieveen van Dijkum Elisabeth J., Dejong Cornelis H.C., Valk Gerlof D., Bisschop P. H., Dekkers O. M., Drent M. L., Havekes B., de Herder W. W., van der Horst-Schrivers A. N.A., Pieterman C. R.C., van de Ven A. C., Borel Rinkes Inne H.M., Vriens Menno R., Aug 2021, In: Annals of Surgical Oncology. 28 , p. 4387-4399 13 p.

The genomic landscape of 85 advanced neuroendocrine neoplasms reveals subtype-heterogeneity and potential therapeutic targets

van Riet Job, van de Werken Harmen J G, Cuppen Edwin, Eskens Ferry A L M, Tesselaar Margot, van Veenendaal Linde M, Klümpen Heinz-Josef, Dercksen Marcus W, Valk Gerlof D, Lolkema Martijn P, Sleijfer Stefan, Mostert Bianca 29 Jul 2021, In: Nature Communications. 12 , p. 1-14

A blood-based polyamine signature associated with MEN1 duodenopancreatic neuroendocrine tumor progression

Fahrmann Johannes F, Wasylishen Amanda R, Pieterman Carolina R C, Irajizad Ehsan, Vykoukal Jody, Murage Eunice, Wu Ranran, Dennison Jennifer B, Krishna Hansini, Peterson Christine B, Lozano Guillermina, Zhao Hua, Do Kim-Anh, Halperin Daniel M, Agarwal Sunita K, Blau Jenny E, Del Rivero Jaydira, Nilubol Naris, Walter Mary F, Welch James M, Weinstein Lee S, Vriens Menno R, van Leeuwaarde Rachel S, van Treijen Mark J C, Valk Gerlof D, Perrier Nancy D, Hanash Samir M 28 Jul 2021, In: The Journal of clinical endocrinology and metabolism. 106 , p. E4969-E4980

All research output

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