Jan Koornstra

2025

Endoscopic sphincterotomy to prevent post-ERCP pancreatitis after self-expandable metal stent placement for distal malignant biliary obstruction (SPHINX): a multicentre, randomised controlled trial

The Dutch Pancreatic Cancer Group, Onnekink, A. M., Gorris, M., Bekkali, N. L. H., Bos, P., Didden, P., Dominguez-Muñoz, J. E., Friederich, P., van Halsema, E. E., Hazen, W. L., van Huijgevoort, N. C., Inderson, A., Jacobs, M. A. J. M., Koornstra, J. J., Kuiken, S., Scheffer, B. C. H., Sloterdijk, H., van Soest, E. J., Venneman, N. G. & Voermans, R. P. & 14 others, de Wijkerslooth, T. R., Wonders, J., Zoutendijk, R., Zweers, S. J. L. B., Fockens, P., Verdonk, R. C., van Wanrooij, R. L. J., Van Hooft, J. E., Weusten, B. L. A. M., van Santvoort, H. C., Dijkgraaf, M. G. W., Basiliya, K., Montazeri, N. S. M. & Rodríguez-Girondo, M., 17-Jan-2025, In: Gut. 74, p. 246-254 19 p.

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6 Citations (Scopus)

27 Downloads (Pure)

Faecal Volatile Organic Compounds to Detect Colorectal Neoplasia in Lynch Syndrome: A Prospective Longitudinal Multicentre Study

van Liere, E. . ., Ramsoekh, D., Daulton, E., Dakkak, M., van Lingen, J., Stewart, T., Bosch, S., Carvalho, B., Dekker, E., Jacobs, M. . ., Koornstra, J., Kuijvenhoven, J., van Leerdam, M., de Meij, T. ., Meijer, G., Spaander, M. ., Covington, J. & de Boer, N. ., Jan-2025, In: Alimentary Pharmacology and Therapeutics. 61, 1, p. 145-158 14 p.

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Fecal immunochemical test to detect colorectal neoplasia in lynch syndrome – a prospective multicenter study

van Liere, E. L. S. A., de Boer, N. K. H., van Leerdam, M. E., Dekker, E., Jacobs, M. A. J. M., Jacob Koornstra, J., Kuijvenhoven, J. P., Lemmens, M., Meijer, G. A., Spaander, M. C. W., Carvalho, B. & Ramsoekh, D., Mar-2025, In: American Journal of Gastroenterology. 120, 3, p. 632-641 10 p.

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4 Citations (Scopus)

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2023

PMS2-associated Lynch syndrome: Past, present and future

Andini, K. D., Nielsen, M., Suerink, M., Helderman, N. C., Koornstra, J. J., Ahadova, A., Kloor, M., Mourits, M. J. E., Kok, K., Sijmons, R. H. & Bajwa–ten Broeke, S. W., 21-Feb-2023, In: Frontiers in Oncology. 13, 12 p., 1127329.

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7 Citations (Scopus)

135 Downloads (Pure)

2022

Prospective evaluation of the motorized spiral enteroscope for previous incomplete colonoscopy

Al-Toma, A., Oude Hergelink, D. M., Tenthof van Noorden, J. & Koornstra, J. J., 15-Aug-2022, In: Endoscopy International Open. 10, 08, p. E1112-E1117 6 p.

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56 Downloads (Pure)

The performance and safety of motorized spiral enteroscopy, including in patients with surgically altered gastrointestinal anatomy: A multicenter prospective study

Al-Toma, A., Beaumont, H., Koornstra, J. J., Van Boeckel, P., Hergelink, D. O., Van Der Kraan, J., Inderson, A., De Ridder, R. & Jacobs, M., Nov-2022, In: Endoscopy. 54, 11, p. 1034-1042 9 p.

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30 Citations (Scopus)

237 Downloads (Pure)

2021

Associations of Height With the Risks of Colorectal and Endometrial Cancer in Persons With Lynch Syndrome

Brouwer, J. G. M., Newcomb, P. A., Bisseling, T. M., Figueiredo, J. C., Hopper, J. L., Jenkins, M. A., Koornstra, J. J., Lindor, N. M., Vasen, H. F. A., Win, A. K., Kampman, E. & van Duijnhoven, F. J. B., Feb-2021, In: American Journal of Epidemiology. 190, 2, p. 230-238 9 p.

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2 Citations (Scopus)

58 Downloads (Pure)

Dye-Based Chromoendoscopy in Patients With Lynch Syndrome: An Individual Patient Data Meta-Analysis of Randomized Trials

Houwen, B. B. S. L., Mostafavi, N., Vleugels, J. L. A., Huneburg, R., Lamberti, C., Rivero-Sanchez, L., Pellise, M., Stoffel, E. M., Syngal, S., Haanstra, J. F., Koornstra, J. J., Dekker, E. & Hazewinkel, Y., Apr-2021, In: The American Journal of Gastroenterology. 116, 4, p. 825-828 4 p.

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11 Citations (Scopus)

216 Downloads (Pure)

Is a colorectal neoplasm diagnosis a trigger to change dietary and other lifestyle habits for persons with Lynch syndrome? A prospective cohort study

Brouwer, J. G. M., Snellen, M., Bisseling, T. M., Koornstra, J. J., Vasen, H. F. A., Kampman, E. & van Duijnhoven, F. J. B., Apr-2021, In: Familial Cancer. 20, p. 125-135 11 p.

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5 Citations (Scopus)

55 Downloads (Pure)

2020

Associations of Pathogenic Variants in MLH1, MSH2, and MSH6 With Risk of Colorectal Adenomas and Tumors and With Somatic Mutations in Patients With Lynch Syndrome

German HNPCC Consortium, Dutch Lynch Syndrome Collaborative, Finnish Lynch Syndrome Registry, Engel, C., Ahadova, A., Seppala, T. T., Aretz, S., Bigirwamungu-Bargeman, M., Blaeker, H., Bucksch, K., Buettner, R., Cappel, W. T. D. V. T. N., Endris, V., Holinski-Feder, E., Holzapfel, S., Hueneburg, R., Jacobs, M. A. J. M., Koornstra, J. J., Langers, A. M. & Lepisto, A. & 23 others, Morak, M., Moeslein, G., Peltomaeki, P., Pylvaenaeinen, K., Rahner, N., Renkonen-Sinisalo, L., Schulmann, K., Steinke-Lange, V., Stenzinger, A., Strassburg, C. P., van de Meeberg, P. C., van Kouwen, M., van Leerdam, M., Vangala, D. B., Vecht, J., Verhulst, M.-L., Doeberitz, M. V. K., Weitz, J., Zachariae, S., Loeffler, M., Mecklin, J.-P., Kloor, M. & Vasen, H. F., Apr-2020, In: Gastroenterology. 158, 5, p. 1326-1333 8 p.

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72 Citations (Scopus)

385 Downloads (Pure)

Diet quality and colorectal tumor risk in persons with Lynch syndrome

Eijkelboom, A. H., Brouwer, J. G. M., Vasen, H. F. A., Bisseling, T. M., Koornstra, J. J., Kampman, E. & van Duijnhoven, F. J. B., Dec-2020, In: Cancer epidemiology. 69, p. 1-7 7 p., 101809.

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4 Citations (Scopus)

141 Downloads (Pure)

Limited diagnostic accuracy and clinical impact of single-operator peroral cholangioscopy for indeterminate biliary strictures

de Vries, A. B., van der Heide, F., Ter Steege, R. W. F., Koornstra, J. J., Buddingh, K. T., Gouw, A. S. H. & Weersma, R. K., Feb-2020, In: Endoscopy. 52, 2, p. 107-114 8 p.

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40 Citations (Scopus)

170 Downloads (Pure)

Personalised surveillance for serrated polyposis syndrome: results from a prospective 5-year international cohort study

Bleijenberg, A. G. C., IJspeert, J. E. G., van Herwaarden, Y. J., Carballal, S., Pellise, M., Jung, G., Bisseling, T. M., Nagetaal, I. D., van Leerdam, M. E., van Lelyveld, N., Bessa, X., Rodriguez-Moranta, F., Bastiaansen, B., de Klaver, W., Rivero, L., Spaander, M. C. W., Koornstra, J. J., Bujanda, L., Balaguer, F. & Dekker, E., Jan-2020, In: Gut. 69, 1, p. 112-121 10 p.

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40 Citations (Scopus)

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Substantial and sustained improvement of serrated polyp detection after a simple educational intervention: results from a prospective controlled trial

Bleijenberg, A. G. C., van Leerdam, M. E., Bargeman, M., Koornstra, J. J., van Herwaarden, Y. J., Spaander, M. C. W., Sanduleanu, S., Bastiaansen, B. A. J., Schoon, E. J., van Lelyveld, N., Dekker, E. & IJspeert, J. E. G., 1-Dec-2020, In: Gut. 69, 12, p. 2150-2158 9 p.

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20 Citations (Scopus)

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The (ir)relevance of the abandoned criterion II for the diagnosis of serrated polyposis syndrome: a retrospective cohort study

Bleijenberg, A. G. C., IJspeert, J. E. G., Rodriguez-Alcalde, D., Carballal, S., Visser, M. R., Pellise, M., Koornstra, J. J., Rana, S. A., Latchford, A., Balaguer, F. & Dekker, E., 1-Apr-2020, In: Familial Cancer. 19, 2, p. 153-160 8 p.

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The optimal imaging window for dysplastic colorectal polyp detection using c-Met targeted fluorescence molecular endoscopy

de Jongh, S. J., Vrouwe, J. P. M., Voskuil, F. J., Schmidt, I., Westerhof, J., Koornstra, J. J., de Kam, M. L., Karrenbeld, A., Hardwick, J. C. H., Robinson, D. J., Burggraaf, J., Kamerling, I. M. C. & Nagengast, W. B., 1-Oct-2020, In: Journal of Nuclear Medicine. 61, 10, p. 1435-1441 7 p.

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23 Citations (Scopus)

88 Downloads (Pure)

2019

Effect of chromoendoscopy in the proximal colon on colorectal neoplasia detection in Lynch syndrome: a multicenter randomized controlled trial

Haanstra, J. F., Dekker, E., Cats, A., Nagengast, F. M., Hardwick, J. C., Vanhoutvin, S. A., Cappel, W. H. D. V. T. N., Vasen, H. F., Kleibeuker, J. H. & Koornstra, J. J., Oct-2019, In: Gastrointestinal endoscopy. 90, 4, p. 624-632 9 p.

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25 Citations (Scopus)

125 Downloads (Pure)

Low Incidence of Advanced Neoplasia in Serrated Polyposis Syndrome After (Sub)total Colectomy: Results of a 5-Year International Prospective Cohort Study

Bleijenberg, A. G. C., IJspeert, J. E. G., Carballal, S., Pellise, M., Jung, G., van Herwaarden, Y. J., Bisseling, T. M., Nagtegaal, I. D., van Leerdam, M. E., Spaander, M. C. W., van Lelyveld, N., Bessa, X., Rodriguez-Alcalde, D., Bastiaansen, B. A. J., de Klaver, W., Bemelman, W. A., Bujanda, L., Koornstra, J. J., Rivero, L. & Rodriguez-Moranta, F. & 2 others, Balaguer, F. & Dekker, E., Sept-2019, In: The American Journal of Gastroenterology. 114, 9, p. 1512-1519 8 p.

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1 Citation (Scopus)

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Quality assurance of colonoscopy within the Dutch national colorectal cancer screening program

Dutch Colonoscopy Quality Assurance working group, Bronzwaer, M. E. S., Depla, A. C. T. M., van Lelyveld, N., Spanier, B. W. M., Oosterhout, Y. H., van Leerdam, M. E., Spaander, M. C. W. & Dekker, E., Jan-2019, In: Gastrointestinal endoscopy. 89, 1, p. 1-13 13 p.

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56 Citations (Scopus)

111 Downloads (Pure)

2018

Endoscopic versus percutaneous biliary drainage in patients with resectable perihilar cholangiocarcinoma: a multicentre, randomised controlled trial

Coelen, R. J. S., Roos, E., Wiggers, J. K., Besselink, M. G., Buis, C. I., Busch, O. R. C., Dejong, C. H. C., van Delden, O. M., van Eijck, C. H. J., Fockens, P., Gouma, D. J., Koerkamp, B. G., de Haan, M. W., van Hooft, J. E., IJzermans, J. N. M., Kater, G. M., Koornstra, J. J., van Lienden, K. P., Moelker, A. & Damink, S. W. M. O. & 8 others, Poley, J.-W., Porte, R. J., de Ridder, R. J., Verheij, J., van Woerden, V., Rauws, E. A. J., Dijkgraaf, M. G. W. & van Gulik, T. M., Oct-2018, In: The lancet. Gastroenterology & hepatology. 3, 10, p. 681-690 10 p.

Research output: Contribution to journal › Article › Academic › peer-review

159 Citations (Scopus)

Extracolonic cancer risk in Dutch patients with APC (adenomatous polyposis coli)-associated polyposis

Ghorbanoghli, Z., Bastiaansen, B. A. J., Langers, A. M. J., Nagengast, F. M., Poley, J.-W., Hardwick, J. C. H., Koornstra, J. J., Sanduleanu, S., Cappel, W. H. D. V. T. N., Witteman, B. J. M., Morreau, H., Dekker, E. & Vasen, H. F. A., 1-Jan-2018, In: Journal of Medical Genetics. 55, 1, p. 11-14 4 p.

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26 Citations (Scopus)

107 Downloads (Pure)

Features of incident colorectal cancer in Lynch syndrome

Argillander, T. E., Koornstra, J. J., van Kouwen, M., Langers, A. M. J., Nagengast, F. M., Vecht, J., Cappel, W. H. D. V. T. N., Dekker, E., van Duijvendijk, P. & Vasen, H. F. A., Oct-2018, In: United European Gastroenterology Journal. 6, 8, p. 1215-1222 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

15 Citations (Scopus)

No Difference in Colorectal Cancer Incidence or Stage at Detection by Colonoscopy Among 3 Countries With Different Lynch Syndrome Surveillance Policies

German HNPCC Consortium, Dutch Lynch Syndrome, Finnish Lynch Syndrome Registry, Engel, C., Vasen, H. F., Seppala, T., Aretz, S., Bigirwamungu-Bargeman, M., de Boer, S. Y., Bucksch, K., Buttner, R., Holinski-Feder, E., Holzapfel, S., Hueneburg, R., Jacobs, M. A. J. M., Jarvinen, H., Kloor, M., Doeberitz, M. V. K., Koornstra, J. J. & van Kouwen, M. & 20 others, Langers, A. M., van de Meeberg, P. C., Morak, M., Moeslein, G., Nagengast, F. M., Pylvanainen, K., Rahner, N., Renkonen-Sinisalo, L., Sanduleanu, S., Schackert, H. K., Schmiegel, W., Schulmann, K., Steinke-Lange, V., Strassburg, C. P., Vecht, J., Verhulst, M.-L., Cappel, W. D. V. T. N., Zachariae, S., Mecklin, J.-P. & Loeffler, M., Nov-2018, In: Gastroenterology. 155, 5, p. 1400-+ 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

121 Citations (Scopus)

2017

Clinical risk factors of colorectal cancer in patients with serrated polyposis syndrome: A multicentre cohort analysis

IJspeert, J. E. G., Rana, S. A. Q., Atkinson, N. S. S., van Herwaarden, Y. J., Bastiaansen, B. A. J., Van Leerdam, M. E., Sanduleanu, S., Bisseling, T. M., Spaander, M. C. W., Clark, S. K., Meijer, G. A., van Lelyveld, N., Koornstra, J. J., Nagtegaal, I. D., East, J. E., Latchford, A., Dekker, E. & Dutch Workgroup Serrated Polyps, 1-Feb-2017, In: Gut. 66, 2, p. 278-284 7 p.

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

90 Citations (Scopus)

Incidence of small bowel neoplasia in Lynch syndrome assessed by video capsule endoscopy

Haanstra, J. F., Al-Toma, A., Dekker, E., Vanhoutvin, S. A. L. W., Nagengast, F. M., Mathus-Vliegen, E. M., van Leerdam, M. E., de Vos Tot Nederveen Cappel, W. H., Veenendaal, R. A., Cats, A., Sanduleanu, S., Vasen, H. F. A., Kleibeuker, J. H. & Koornstra, J. J., Jul-2017, In: Endoscopy International Open. 5, 7, p. E622-E626 5 p.

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276 Downloads (Pure)

2016

Impact of non-anastomotic biliary strictures after liver transplantation on healthcare consumption, use of ionizing radiation and infectious events

de Vries, A. B., Koornstra, J. J., Ten Foe, J. R. L., Porte, R. J., van den Berg, A. P., Blokzijl, H. & Verdonk, R. C., Jan-2016, In: Clinical Transplantation. 30, 1, p. 81-89 9 p.

Research output: Contribution to journal › Article › Academic › peer-review

6 Citations (Scopus)

2015

Adherence to surveillance guidelines after removal of colorectal adenomas: A large, community-based study

van Heijningen, E.-M. B., Lansdorp-Vogelaar, I., Steyerberg, E. W., Goede, S. L., Dekker, E., Lesterhuis, W., ter Borg, F., Vecht, J., Spoelstra, P., Engels, L., Bolwerk, C. J. M., Timmer, R., Kleibeuker, J. H., Koornstra, J. J., de Koning, H. J., Kuipers, E. J. & van Ballegooijen, M., Oct-2015, In: Gut. 64, 10, p. 1584-1592 9 p.

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83 Citations (Scopus)

166 Downloads (Pure)

Molecular Fluorescence Endoscopy Targeting Vascular Endothelial Growth Factor A for Improved Colorectal Polyp Detection

Tjalma, J. J., Garcia-Allende, P. B., Hartmans, E., Terwisscha Van Scheltinga, A. G., Boersma-van Ek, W., Glatz, J., Koch, M., van Herwaarden, Y. J., Bisseling, T. M., Nagtegaal, I. D., Timmer-Bosscha, H., Koornstra, J. J., Karrenbeld, A., Kleibeuker, J. H., van Dam, G. M., Ntziachristos, V. & Nagengast, W. B., 17-Dec-2015, In: Journal of Nuclear Medicine. 57, 3, p. 480-485 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

50 Citations (Scopus)

Narrow-band imaging for the detection of polyps in patients with serrated polyposis syndrome: a multicenter, randomized, back-to-back trial

Hazewinkel, Y., Tytgat, K. M. A. J., van Leerdam, M. E., Koornstra, J.-J., Bastiaansen, B. A., van Eeden, S., Fockens, P. & Dekker, E., Mar-2015, In: Gastrointestinal endoscopy. 81, 3, p. 531-538 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

35 Citations (Scopus)

Prevalence of small-bowel neoplasia in Lynch syndrome assessed by video capsule endoscopy

Haanstra, J. F., Al-Toma, A., Dekker, E., Vanhoutvin, S. A. L. W., Nagengast, F. M., Mathus-Vliegen, E. M., van Leerdam, M. E., Cappel, W. H. D. V. T. N., Sanduleanu, S., Veenendaal, R. A., Cats, A., Vasen, H. F. A., Kleibeuker, J. H. & Koornstra, J. J., Oct-2015, In: Gut. 64, 10, p. 1578-1583 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

39 Citations (Scopus)

Yield of Screening Colonoscopy in First-degree Relatives of Patients With Serrated Polyposis Syndrome

Hazewinkel, Y., Koornstra, J.-J., Boparai, K. S., van Os, T. A. M., Tytgat, K. M. A. J., Van Eeden, S., Fockens, P. & Dekker, E., 2015, In: Journal of clinical gastroenterology. 49, 5, p. 407-412 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

16 Citations (Scopus)

2014

Completion rate of small bowel capsule endoscopy is higher after erythromycin compared to domperidone

Westerhof, J., Weersma, R. K., Hoedemakers, R. & Koornstra, J. J., 19-Sept-2014, In: Bmc gastroenterology. 14, 5 p., 162.

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13 Citations (Scopus)

277 Downloads (Pure)

Non-small-bowel abnormalities identified during small bowel capsule endoscopy

Hoedemakers, R., Westerhof, J., Weersma, R. K. & Koornstra, J. J., 14-Apr-2014, In: World Journal of Gastroenterology. 20, 14, p. 4025-4029 5 p.

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9 Citations (Scopus)

221 Downloads (Pure)

Predictors of colorectal neoplasia after polypectomy: based on initial and consecutive findings

van Enckevort, C. C. G., de Graaf, A. P. J., Hollema, H., Sluiter, W. J., Kleibeuker, J. H. & Koornstra, J. J., Apr-2014, In: The Netherlands Journal of Medicine. 72, 3, p. 139-145 7 p.

Research output: Contribution to journal › Article › Academic › peer-review

16 Citations (Scopus)

Regulation of TRAIL receptor expression by β-catenin in colorectal tumours

Jalving, M., Heijink, D. M., Koornstra, J. J., Boersma-van Ek, W., Zwart, N., Wesseling, J., Sluiter, W. J., de Vries, E. G. E., Kleibeuker, J. H. & de Jong, S., May-2014, In: CARCINOGENESIS. 35, 5, p. 1092-1099 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

15 Citations (Scopus)

2013

Endoscopic Corticosteroid Injections Do Not Reduce Dysphagia After Endoscopic Dilation Therapy in Patients With Benign Esophagogastric Anastomotic Strictures

Hirdes, M. M. C., van Hooft, J. E., Koornstra, J. J., Timmer, R., Leenders, M., Weersma, R. K., Weusten, B. L. A. M., van Hillegersberg, R., Henegouwen, M. I. V. B., Plukker, J. T. M., Wiezer, R., Bergman, J. G. H. M., Vleggaar, F. P., Fockens, P. & Siersema, P. D., Jul-2013, In: Clinical Gastroenterology and Hepatology. 11, 7, p. 795-+ 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

79 Citations (Scopus)

Extracolonic cancer risk in patients with serrated polyposis syndrome and their first-degree relatives

Hazewinkel, Y., Nagengast, F. M., Vasen, H. F., van Os, T. A. M., van Leerdam, M. E., Koornstra, J.-J., Dekker, E. & Reitsma, J., Dec-2013, In: Familial Cancer. 12, 4, p. 669-673 5 p.

Research output: Contribution to journal › Article › Academic › peer-review

23 Citations (Scopus)

Features of Adenoma and Colonoscopy Associated With Recurrent Colorectal Neoplasia Based on a Large Community-Based Study

van Heijningen, E.-M. B., Lansdorp-Vogelaar, I., Kuipers, E. J., Dekker, E., Lesterhuis, W., Ter Borg, F., Vecht, J., de Jonge, V., Spoelstra, P., Engels, L., Bolwerk, C. J. M., Timmer, R., Kleibeuker, J. H., Koornstra, J. J., van Ballegooijen, M. & Steyerberg, E. W., Jun-2013, In: Gastroenterology. 144, 7, p. 1410-1418 9 p.

Research output: Contribution to journal › Article › Academic › peer-review

92 Citations (Scopus)

Intestinal pseudo-obstruction as a complication of paragangliomas: Case report and literature review

Osinga, T. E., Kerstens, M. N., van der Klauw, M. M., Koornstra, J. J., Wolffenbuttel, B. H. R., Links, T. P. & van der Horst-Schrivers, A. N. A., Dec-2013, In: The Netherlands Journal of Medicine. 71, 10, p. 512-517 6 p.

Research output: Contribution to journal › Review article › peer-review

14 Citations (Scopus)

Quality colonoscopy and risk of interval cancer in Lynch syndrome

Haanstra, J. F., Vasen, H. F. A., Sanduleanu, S., van der Wouden, E. J., Koornstra, J. J., Kleibeuker, J. H. & Cappel, W. H. D. V. T. N., Dec-2013, In: International Journal of Colorectal Disease. 28, 12, p. 1643-1649 7 p.

Research output: Contribution to journal › Article › Academic › peer-review

35 Citations (Scopus)

Role of new endoscopic techniques in Lynch syndrome

Haanstra, J. F., Kleibeuker, J. H. & Koornstra, J. J., Jun-2013, In: Familial Cancer. 12, 2, p. 267-272 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

14 Citations (Scopus)

Ursodeoxycholic acid counteracts celecoxib in reduction of duodenal polyps in patients with familial adenomatous polyposis: a multicentre, randomized controlled trial

van Heumen, B. W. H., Roelofs, H. M. J., Vink-Borger, M. E., Dekker, E., Mathus-Vliegen, E. M. H., Dees, J., Koornstra, J. J., Langers, A. M. J., Nagtegaal, I. D., Kampman, E., Peters, W. H. M. & Nagengast, F. M., 6-Aug-2013, In: Orphanet journal of rare diseases. 8, 11 p., 118.

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

File

17 Citations (Scopus)

247 Downloads (Pure)

2012

Diagnostic yield of small bowel capsule endoscopy depends on the small bowel transit time

Westerhof, J., Koornstra, J. J., Hoedemaker, R. A., Sluiter, W. J., Kleibeuker, J. H. & Weersma, R. K., 7-Apr-2012, In: World Journal of Gastroenterology. 18, 13, p. 1502-1507 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

File

41 Citations (Scopus)

290 Downloads (Pure)

Nurse endoscopists perform colonoscopies according to the international standard and with high patient satisfaction

van Putten, P. G., ter Borg, F., Adang, R. P. R., Koornstra, J. J., Romberg-Camps, M. J. L., Timmer, R., Poen, A. C., Kuipers, E. J. & Van Leerdam, M. E., Dec-2012, In: Endoscopy. 44, 12, p. 1127-1132 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

36 Citations (Scopus)

Small bowel endoscopy in familial adenomatous polyposis and Lynch syndrome

Koornstra, J. J., Jun-2012, In: Best practice & research in clinical gastroenterology. 26, 3, p. 359-368 10 p.

Research output: Contribution to journal › Article › Academic › peer-review

46 Citations (Scopus)

2011

A bioinformatical and functional approach to identify novel strategies for chemoprevention of colorectal cancer

Heijink, D. M., Fehrmann, R. S. N., de Vries, E. G. E., Koornstra, J. J., Oosterhuis, D., van der Zee, A. G. J., Kleibeuker, J. H. & de Jong, S., Apr-2011, In: Oncogene. 30, 17, p. 2026-2036 11 p.

Research output: Contribution to journal › Article › Academic › peer-review

21 Citations (Scopus)

Perspectives for tailored chemoprevention and treatment of colorectal cancer in Lynch syndrome

Heijink, D. M., de Vries, E. G. E., Koornstra, J. J., Hospers, G. A. P., Hofstra, R. M. W., van Vugt, M. A. T. M., de Jong, S. & Kleibeuker, J. H., Nov-2011, In: Critical Reviews in Oncology/Hematology. 80, 2, p. 264-277 14 p.

Research output: Contribution to journal › Review article › peer-review

8 Citations (Scopus)

TNF-related apoptosis-inducing ligand cooperates with NSAIDs via activated Wnt signalling in (pre)malignant colon cells

Heijink, D. M., Jalving, M., Oosterhuis, D., Sloots, I. A., Koster, R., Hollema, H., Kleibeuker, J. H., Koornstra, J. J., de Vries, E. G. E. & de Jong, S., Feb-2011, In: The Journal of Pathology. 223, 3, p. 378-389 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

11 Citations (Scopus)

Total Abdominal F-18-FDG Uptake Reflects Intestinal Adenoma Burden in Apc Mutant Mice

Heijink, D. M., Kleibeuker, J. H., Nagengast, W. B., Oosterhuis, D., Brouwers, A. H., Koornstra, J. J., de Jong, S. & de Vries, E. G. E., 1-Mar-2011, In: Journal of Nuclear Medicine. 52, 3, p. 431-436 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

8 Citations (Scopus)

2010

Increased colorectal cancer risk during follow-up in patients with hyperplastic polyposis syndrome: a multicentre cohort study

Boparai, K. S., Mathus-Vliegen, E. M. H., Koornstra, J. J., Nagengast, F. M., van Leerdam, M., van Noesel, C. J. M., Houben, M., Cats, A., van Hest, L. P., Fockens, P. & Dekker, E., Aug-2010, In: Gut. 59, 8, p. 1094-1100 7 p.

Research output: Contribution to journal › Article › Academic › peer-review

205 Citations (Scopus)

Jan Koornstra

Research output

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