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J. Leijtens · SciRah

Researcher profile · Semantic Scholar

J. Leijtens

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J. Leijtens — researcher profile on SciRah

h-index: 23
Works: 61
Citations: 4,116

Most-cited papers

Long-term outcomes of clinical complete responders after neoadjuvant treatment for rectal cancer in the International Watch & Wait Database (IWWD): an international multicentre registry study.
M. V. D. van der Valk, D. Hilling, E. Bastiaannet, Elma Meershoek-Klein Kranenbarg +64 more
2018The Lancet976 citations Open access
Semantic Scholar
Wait-and-see policy for clinical complete responders after chemoradiation for rectal cancer.
M. Maas, R. Beets-Tan, D. Lambregts, G. Lammering +9 more
2011Journal of Clinical Oncology956 citations Open access
Semantic Scholar
Assessment of Clinical Complete Response After Chemoradiation for Rectal Cancer with Digital Rectal Examination, Endoscopy, and MRI: Selection for Organ-Saving Treatment
M. Maas, D. Lambregts, P. Nelemans, L. Heijnen +9 more
2015Annals of Surgical Oncology382 citations Open access
Semantic Scholar
Long-term Outcome of an Organ Preservation Program After Neoadjuvant Treatment for Rectal Cancer.
M. Martens, M. Maas, L. Heijnen, D. Lambregts +11 more
2016Journal of the National Cancer Institute374 citations Open access
Semantic Scholar
Long-term Oncological and Functional Outcomes of Chemoradiotherapy Followed by Organ-Sparing Transanal Endoscopic Microsurgery for Distal Rectal Cancer: The CARTS Study
R. Stijns, E. D. de Graaf, C. Punt, I. Nagtegaal +13 more
2019JAMA Surgery226 citations Open access
Semantic Scholar
Organ Preservation in Rectal Cancer After Chemoradiation: Should We Extend the Observation Period in Patients with a Clinical Near-Complete Response?
B. Hupkens, M. Maas, M. Martens, M. E. van der Sande +10 more
2017Annals of Surgical Oncology140 citations Open access
Semantic Scholar
Biological Mesh Closure of the Pelvic Floor After Extralevator Abdominoperineal Resection for Rectal Cancer: A Multicenter Randomized Controlled Trial (the BIOPEX-study)
G. Musters, C. Klaver, R. Bosker, Jacobus W. A. Burger +13 more
2017Annals of Surgery105 citations Open access
Semantic Scholar
Modern multidisciplinary treatment of rectal cancer based on staging with magnetic resonance imaging leads to excellent local control, but distant control remains a challenge.
S. Engelen, M. Maas, M. Lahaye, J. Leijtens +7 more
2013European Journal of Cancer102 citations Open access
Semantic Scholar
A multi-centred randomised trial of radical surgery versus adjuvant chemoradiotherapy after local excision for early rectal cancer
W. Borstlap, P. Tanis, T. Koedam, C. Marijnen +37 more
2016BMC Cancer97 citations Open access
Semantic Scholar
The CARTS study: Chemoradiation therapy for rectal cancer in the distal rectum followed by organ-sparing transanal endoscopic microsurgery
G. Bökkerink, E. D. de Graaf, C. Punt, I. Nagtegaal +24 more
2011BMC Surgery82 citations Open access
Semantic Scholar
MRI After Chemoradiotherapy of Rectal Cancer: A Useful Tool to Select Patients for Local Excision
S. Engelen, R. Beets-Tan, M. Lahaye, G. Lammering +6 more
2010Diseases of the Colon & Rectum62 citations
Semantic Scholar
Bowel dysfunction after sigmoid resection underestimated: Multicentre study on quality of life after surgery for carcinoma of the rectum and sigmoid.
M. van Heinsbergen, M. Janssen-Heijnen, J. Leijtens, G. Slooter +1 more
2018European Journal of Surgical Oncology56 citations Open access
Semantic Scholar
Comparison of laparoscopic versus robot-assisted versus transanal total mesorectal excision surgery for rectal cancer: a retrospective propensity score-matched cohort study of short-term outcomes.
J. Hol, T. Burghgraef, M. Rutgers, R. Crolla +10 more
2021British Journal of Surgery48 citations Open access
Semantic Scholar
Unexpected rectal cancer after TEM: outcome of completion surgery compared with primary TME.
W. van Gijn, V. Brehm, E. D. de Graaf, P. Neijenhuis +4 more
2013European Journal of Surgical Oncology41 citations
Semantic Scholar
Transanal minimally invasive surgery (TAMIS) versus endoscopic submucosal dissection (ESD) for resection of non-pedunculated rectal lesions (TRIASSIC study): study protocol of a European multicenter randomised controlled trial
N. Dekkers, J. Boonstra, L. Moons, R. Hompes +32 more
2020BMC Gastroenterology38 citations Open access
Semantic Scholar
Randomized controlled multicentre study comparing biological mesh closure of the pelvic floor with primary perineal wound closure after extralevator abdominoperineal resection for rectal cancer (BIOPEX-study)
G. Musters, W. Bemelman, R. Bosker, J. Burger +14 more
2014BMC Surgery30 citations Open access
Semantic Scholar
Phase I trial of the combination of the Akt inhibitor nelfinavir and chemoradiation for locally advanced rectal cancer.
J. Buijsen, G. Lammering, R. Jansen, G. Beets +7 more
2013Radiotherapy and Oncology29 citations Open access
Semantic Scholar
Phase I Trial of the Combination of the AKT Inhibitor Nelfinavir and Chemoradiation for Locally Advanced Rectal Cancer
J. Buijsen, G. Lammering, R. Jansen, G. Beets +6 more
201128 citations Open access
Semantic Scholar
Functional outcomes and quality of life following open versus laparoscopic versus robot-assisted versus transanal total mesorectal excision in rectal cancer patients: a systematic review and meta-analysis
R. Geitenbeek, T. Burghgraef, Carmen A. Moes, R. Hompes +41 more
2024Surgical Endoscopy26 citations Open access
Semantic Scholar
A phase I-II study on the combination of rapamycin and short course radiotherapy in rectal cancer.
J. Buijsen, J. van den Bogaard, B. Jutten, E. Belgers +8 more
2015Radiotherapy and Oncology26 citations Open access
Semantic Scholar
Laparoscopic Versus Robot-Assisted Versus Transanal Low Anterior Resection: 3-Year Oncologic Results for a Population-Based Cohort in Experienced Centers
T. Burghgraef, J. Hol, M. Rutgers, R. Crolla +11 more
2021Annals of Surgical Oncology24 citations Open access
Semantic Scholar
Cumulative 5-year Results of a Randomized Controlled Trial Comparing Biological Mesh With Primary Perineal Wound Closure After Extralevator Abdominoperineal Resection (BIOPEX-study)
R. Blok, S. Sharabiany, J. Stoker, E. Laan +19 more
2021Annals of Surgery24 citations Open access
Semantic Scholar
Quality of Life and Bowel Dysfunction after Transanal Endoscopic Microsurgery for Rectal Cancer: One Third of Patients Experience Major Low Anterior Resection Syndrome
M. van Heinsbergen, J. Leijtens, G. Slooter, M. Janssen-Heijnen +1 more
2019Digestive Surgery23 citations Open access
Semantic Scholar
Thirty-seven patients treated with the C-seal: protection of stapled colorectal anastomoses with a biodegradable sheath
A. Morks, K. Havenga, H. O. ten Cate Hoedemaker, J. Leijtens +1 more
2013International Journal of Colorectal Disease22 citations Open access
Semantic Scholar
Perineal wound closure using gluteal turnover flap or primary closure after abdominoperineal resection for rectal cancer: study protocol of a randomised controlled multicentre trial (BIOPEX-2 study)
S. Sharabiany, R. Blok, O. Lapid, R. Hompes +33 more
2020BMC Surgery18 citations Open access
Semantic Scholar
MRI surveillance for the detection of local recurrence in rectal cancer after transanal endoscopic microsurgery
B. Hupkens, M. Maas, M. Martens, W. Deserno +6 more
2017European Radiology17 citations Open access
Semantic Scholar
Endoscopy and MRI for restaging early rectal cancer after neoadjuvant treatment
R. Stijns, J. Leijtens, E. D. de Graaf, S. Bach +4 more
2022Colorectal Disease16 citations Open access
Semantic Scholar
Impact of a diverting ileostomy in total mesorectal excision with primary anastomosis for rectal cancer
J. Hol, T. Burghgraef, M. Rutgers, R. Crolla +11 more
2022Surgical Endoscopy15 citations Open access
Semantic Scholar
Perineal Wound Closure Using Gluteal Turnover Flap After Abdominoperineal Resection for Rectal Cancer: The BIOPEX-2 Randomized Clinical Trial.
S. Kreisel, S. Sharabiany, J. Tuynman, E. Belgers +22 more
2025JAMA Surgery14 citations Open access
Semantic Scholar
Robot-Assisted Total Mesorectal Excision Versus Laparoscopic Total Mesorectal Excision: A Retrospective Propensity Score–Matched Cohort Analysis in Experienced Centers
T. Burghgraef, R. Crolla, P. Verheijen, M. Fahim +6 more
2021Diseases of the Colon & Rectum14 citations Open access
Semantic Scholar
Transanal Endoscopic Microsurgery with or without Completion Total Mesorectal Excision for T2 and T3 Rectal Carcinoma
J. Leijtens, T. Koedam, W. Borstlap, M. Maas +11 more
2018Digestive Surgery14 citations Open access
Semantic Scholar
Evaluation of National Surgical Practice for Lateral Lymph Nodes in Rectal Cancer in an Untrained Setting
T. Sluckin, S. Hazen, K. Horsthuis, R. Beets-Tan +248 more
2023Annals of Surgical Oncology12 citations Open access
Semantic Scholar
Abandonment of Routine Radiotherapy for Nonlocally Advanced Rectal Cancer and Oncological Outcomes.
Sanne J A Hazen, T. Sluckin, M. Intven, G. Beets +25 more
2023JAMA Oncology10 citations Open access
Semantic Scholar
Primary Lumbar Hernia, Review and Proposals for a Standardized Treatment
J. Heemskerk, J. Leijtens, S. van Steensel
2023Journal of Abdominal Wall Surgery9 citations Open access
Semantic Scholar
Retrospective evaluation of national MRI reporting quality for lateral lymph nodes in rectal cancer patients and concordance with prospective re-evaluation following additional training
T. Sluckin, S. Hazen, K. Horsthuis, R. Beets-Tan +248 more
2022Insights into Imaging8 citations Open access
Semantic Scholar
Completion Total Mesorectal Excision: A Case-Matched Comparison With Primary Resection
T. Burghgraef, M. Rutgers, J. Leijtens, Jurriaan B. Tuyman +2 more
2023Annals of surgery open : perspectives of surgical history, education, and clinical approaches7 citations Open access
Semantic Scholar
Comparison of three-year oncological results after restorative low anterior resection, non-restorative low anterior resection and abdominoperineal resection for rectal cancer.
J. Hol, T. Burghgraef, M. Rutgers, R. Crolla +10 more
2022European Journal of Surgical Oncology7 citations Open access
Semantic Scholar
Adjuvant chemoradiotherapy versus completion total mesorectal excision after local excision for early rectal cancer (TESAR): a multicentre, randomised, controlled, phase 3, non-inferiority trial.
L. Moolenaar, Mahsoem Ali, T. Aufenacker, G. Beets +36 more
2026The Lancet Gastroenterology and Hepatology6 citations
Semantic Scholar
Implications of the new MRI-based rectum definition according to the sigmoid take-off: multicentre cohort study
T. Burghgraef, J. Hol, M. Rutgers, Gina Brown +13 more
2023BJS Open6 citations Open access
Semantic Scholar
Total mesorectal excision in MRI-defined low rectal cancer: multicentre study comparing oncological outcomes of robotic, laparoscopic and transanal total mesorectal excision in high-volume centres
M. Rutgers, T. Burghgraef, J. Hol, R. Crolla +10 more
2024BJS Open5 citations Open access
Semantic Scholar
Solitary fibrous tumor of the adrenal gland – its biological behavior and report of a new case
S. E. Huisman, I. Verlinden, P. van Battum, J. Leijtens
2021Surgical and Experimental Pathology5 citations Open access
Semantic Scholar
Salvageable locoregional recurrence and stoma rate after local excision of pT1-2 rectal cancer - A nationwide cross-sectional cohort study.
L. Moolenaar, E. V. van Geffen, S. Hazen, T. Sluckin +8 more
2025European Journal of Surgical Oncology4 citations Open access
Semantic Scholar
Multicentre cohort study evaluating clinical, oncological and functional outcomes following robotic rectal cancer surgery—the EUREKA collaborative: trial protocol
C. Fleming, R. Duhoky, R. Geitenbeek, A. Moussion +51 more
2024BJS Open4 citations Open access
Semantic Scholar
Is there a difference in laparoscopic cholecystectomy performed in a teaching hospital or a general hospital in The Netherlands?
B. Corten, J. Leijtens, L. Janssen, J. Konsten
2018Acta Chirurgica Belgica4 citations
Semantic Scholar
Endorectal contact radiation boosting: Making the case for dose AND volume reporting.
E. V. Van Limbergen, C. Hazelaar, F. Vaassen, M. Bellezzo +10 more
2022Brachytherapy3 citations Open access
Semantic Scholar
A multi-centred randomised trial of radical surgery versus adjuvant chemoradiotherapy after local excision for early rectal cancer
W. Borstlap, P. Tanis, T. Koedam, C. Marijnen +37 more
2016BMC Cancer3 citations Open access
Semantic Scholar
A Cost Overview of Minimally Invasive Total Mesorectal Excision in Rectal Cancer Patients: A Population-based Cohort in Experienced Centres
B. Smalbroek, R. Geitenbeek, T. Burghgraef, L. Dijksman +14 more
2023Annals of surgery open : perspectives of surgical history, education, and clinical approaches2 citations Open access
Semantic Scholar
2037 Long term outcome of organ preservation in 100 clinical (near) complete responders after neoadjuvant treatment for rectal cancer
D. Lambregts, M. Martens, M. Maas, L. Heijnen +11 more
20152 citations
Semantic Scholar
Hospital costs of different treatment strategies for anastomotic leakage after total mesorectal excision: a multicentre cost analysis
D. Nijssen, K. Wienholts, M. Postma, W. Bemelman +46 more
2025Techniques in Coloproctology1 citations Open access
Semantic Scholar
Oncological outcomes of planned and unplanned low Hartmann’s procedure and restorative low anterior resection for rectal cancer: a population-based cross-sectional study
E. V. van Geffen, F. Verheij, S. Hazen, T. Sluckin +254 more
2025Techniques in Coloproctology1 citations Open access
Semantic Scholar

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