P. Koper

7.4k total citations · 2 hit papers
59 papers, 5.5k citations indexed

About

P. Koper is a scholar working on Radiation, Pulmonary and Respiratory Medicine and Obstetrics and Gynecology. According to data from OpenAlex, P. Koper has authored 59 papers receiving a total of 5.5k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Radiation, 23 papers in Pulmonary and Respiratory Medicine and 19 papers in Obstetrics and Gynecology. Recurrent topics in P. Koper's work include Advanced Radiotherapy Techniques (25 papers), Endometrial and Cervical Cancer Treatments (19 papers) and Prostate Cancer Diagnosis and Treatment (15 papers). P. Koper is often cited by papers focused on Advanced Radiotherapy Techniques (25 papers), Endometrial and Cervical Cancer Treatments (19 papers) and Prostate Cancer Diagnosis and Treatment (15 papers). P. Koper collaborates with scholars based in Netherlands, United States and Norway. P. Koper's co-authors include Joos V. Lebesque, Wim L.J. van Putten, Wilma D. Heemsbergen, Stéphanie Peeters, Carla C. Wárlám-Rodenhuis, Carien L. Creutzberg, Jan J. Jobsen, Ludy Lutgens, Marnix L.M. Lybeert and H Beerman and has published in prestigious journals such as The Lancet, Journal of Clinical Oncology and Cancer.

In The Last Decade

P. Koper

57 papers receiving 5.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Surgery and postoperative radiotherapy versus surgery alone for patients with stage-1 endometrial carcinoma: multicentre randomised trial

2000 1.3k citations Carien L. Creutzberg, W L van Putten et al. The Lancet profile →
Dose-Response in Radiotherapy for Localized Prostate Cancer: Results of the Dutch Multicenter Randomized Phase III Trial Comparing 68 Gy of Radiotherapy With 78 Gy

2006 748 citations Stéphanie Peeters, Wilma D. Heemsbergen et al. profile →

Peers

Countries citing papers authored by P. Koper

Since Specialization

Citations

This map shows the geographic impact of P. Koper's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P. Koper with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. Koper more than expected).

Fields of papers citing papers by P. Koper

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. Koper. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P. Koper. The network helps show where P. Koper may publish in the future.

Co-authorship network of co-authors of P. Koper

This figure shows the co-authorship network connecting the top 25 collaborators of P. Koper. A scholar is included among the top collaborators of P. Koper based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with P. Koper. P. Koper is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Acute toxicity of intraoperative radiotherapy and external beam-accelerated partial breast irradiation in elderly breast cancer patients 2018 ·Breast Cancer Research and Treatment ·(unknown), (unknown), A. Petoukhova, (unknown), Marieke E. Straver, Andreas Marinelli, (unknown), (unknown), J. W. S. Merkus, Corrie A.M. Marijnen, M. Mast, P. Koper	15
2	Review of current best practice and priorities for research in radiation oncology for elderly patients with cancer: the International Society of Geriatric Oncology (SIOG) task force 2014 ·Annals of Oncology ·I.H. Kunkler, Riccardo A. Audisio, Yazid Belkacémi, Michael Betz, Elizabeth Gore, Sarah E. Hoffe, Youlia Kirova, P. Koper, J. L. Lagrange, (unknown), (unknown), S. Villà	61
3	Radiotherapy and Hyperthermia for Treatment of Primary Locally Advanced Cervix Cancer: Results in 378 Patients 2008 ·International Journal of Radiation OncologyBiologyPhysics ·Martine Franckena, Ludy Lutgens, P. Koper, (unknown), (unknown), Jan J. Jobsen, J.W.H. Leer, Carien L. Creutzberg, Michel F.H. Dielwart, Yvette van Norden, Richard Canters, Gerard C. van Rhoon, Jacoba van der Zee	63
4	Long-Term Improvement in Treatment Outcome After Radiotherapy and Hyperthermia in Locoregionally Advanced Cervix Cancer: An Update of the Dutch Deep Hyperthermia Trial 2007 ·International Journal of Radiation OncologyBiologyPhysics ·Martine Franckena, Lukas J.A. Stalpers, P. Koper, Ruud Wiggenraad, (unknown), J.D.P. van Dijk, Carla C. Wárlám-Rodenhuis, Jan J. Jobsen, Gerard C. van Rhoon, Jacoba van der Zee	149
5	Localized volume effects for late rectal and anal toxicity after radiotherapy for prostate cancer 2006 ·International Journal of Radiation OncologyBiologyPhysics ·Stéphanie Peeters, Joos V. Lebesque, Wilma D. Heemsbergen, Wim L.J. van Putten, Annerie Slot, Michel F.H. Dielwart, P. Koper	162
6	Rectal bleeding, fecal incontinence, and high stool frequency after conformal radiotherapy for prostate cancer: Normal tissue complication probability modeling 2006 ·International Journal of Radiation OncologyBiologyPhysics ·Stéphanie Peeters, Mischa S. Hoogeman, Wilma D. Heemsbergen, Augustinus A. M. Hart, P. Koper, Joos V. Lebesque	133
7	First results of triple‐modality treatment combining radiotherapy, chemotherapy, and hyperthermia for the treatment of patients with Stage IIB, III, and IVA cervical carcinoma 2005 ·Cancer ·Anneke M. Westermann, Ellen L. Jones, Baard‐Christian Schem, Elzbieta M. van der Steen‐Banasik, P. Koper, Olav Mella, A. L. J. Uitterhoeve, Ronald de Wit, Jacobus van der Velden, Curt W. Burger, C.L. van der Wilt, Olav Dahl, Leonard R. Prosnitz, Jacoba van der Zee	91
8	Impact of volume and location of irradiated rectum wall on rectal blood loss after radiotherapy of prostate cancer 2004 ·International Journal of Radiation OncologyBiologyPhysics ·P. Koper, Wilma D. Heemsbergen, Mischa S. Hoogeman, Peter P. Jansen, Guus Hart, Arendjan Wijnmaalen, Marjolein van Os, (unknown), Joos V. Lebesque, Peter C. Levendag	77
9	Gastro-intestinal and genito-urinary morbidity after 3D conformal radiotherapy of prostate cancer: observations of a randomized trial 2004 ·Radiotherapy and Oncology ·P. Koper, Peter P. Jansen, Wim van Putten, Marjolein van Os, (unknown), Joos V. Lebesque, Peter C. Levendag	79
10	Quantification of local rectal wall displacements by virtual rectum unfolding 2004 ·Radiotherapy and Oncology ·Mischa S. Hoogeman, Marcel van Herk, Josien de Bois, (unknown), P. Koper, Joos V. Lebesque	68
11	Survival after relapse in patients with endometrial cancer: results from a randomized trial☆ 2003 ·Gynecologic Oncology ·Carien L. Creutzberg, Wim L.J. van Putten, P. Koper, Marnix L.M. Lybeert, Jan J. Jobsen, Carla C. Wárlám-Rodenhuis, Karin A.J. De Winter, Ludy Lutgens, Alfons C.M. van den Bergh, Elzbieta van der Steen-Banasik, H Beerman, M. van Lent	250
12	A model to simulate day-to-day variations in rectum shape 2002 ·International Journal of Radiation OncologyBiologyPhysics ·Mischa S. Hoogeman, Marcel van Herk, Di Yan, Liesbeth Boersma, P. Koper, Joos V. Lebesque	51
13	Sildenafil citrate (Viagra) and erectile dysfunction following external beam radiotherapy for prostate cancer: a randomized, double-blind, placebo-controlled, cross-over study 2001 ·International Journal of Radiation OncologyBiologyPhysics ·Luca Incrocci, P. Koper, Wim C.J. Hop, A. Koos Slob	82
14	Detection of internal organ movement in prostate cancer patients using portal images 2000 ·Medical Physics ·J. Stroom, M. Kroonwijk, Kasper L. Pasma, P. Koper, (unknown), Ben Heijmen	37
15	Surgery and postoperative radiotherapy versus surgery alone for patients with stage-1 endometrial carcinoma: multicentre randomised trial breakdown → 2000 ·The Lancet ·Carien L. Creutzberg, W L van Putten, P. Koper, Marnix L.M. Lybeert, Jan J. Jobsen, Carla C. Wárlám-Rodenhuis, K.A De Winter, Ludy Lutgens, (unknown), (unknown), H Beerman, M. van Lent	1302
16	Comparison of prostate cancer treatment in two institutions: a quality control study 1999 ·International Journal of Radiation OncologyBiologyPhysics ·C. Rasch, P. Remeijer, P. Koper, Gert Meijer, J. Stroom, Marcel van Herk, Joos V. Lebesque	38
17	In vivo dosimetry for prostate cancer patients using an electronic portal imaging device (EPID); demonstration of internal organ motion 1998 ·Radiotherapy and Oncology ·M. Kroonwijk, Kasper L. Pasma, S. Quint, P. Koper, A.G. Visser, Ben Heijmen	72
18	Field margin reduction using intensity-modulated x-ray beams formed with a multileaf collimator 1997 ·International Journal of Radiation OncologyBiologyPhysics ·Maarten L.P. Dirkx, Ben Heijmen, (unknown), (unknown), J. Stroom, P. Koper, Peter C. Levendag	29
19	The pedicled omentoplasty, a simple and effective surgical technique to acquire a safe pelvic radiation field; theoretical and practical aspects 1994 ·Radiotherapy and Oncology ·A. Logmans, M. van Lent, Albertus N. van Geel, (unknown), P. Koper, Th. Wiggers, J.B. Trimbos	24
20	Recurrent endometrial adenocarcinoma after surgery alone: prognostic factors and treatment 1993 ·Radiotherapy and Oncology ·C.J.M. Hoekstra, P. Koper, Wim L.J. van Putten	21

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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