Leonard P. Bokhorst

1.6k total citations · 1 hit paper
27 papers, 1.1k citations indexed

About

Leonard P. Bokhorst is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Rheumatology. According to data from OpenAlex, Leonard P. Bokhorst has authored 27 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Pulmonary and Respiratory Medicine, 9 papers in Surgery and 7 papers in Rheumatology. Recurrent topics in Leonard P. Bokhorst's work include Prostate Cancer Diagnosis and Treatment (25 papers), Prostate Cancer Treatment and Research (24 papers) and Urologic and reproductive health conditions (7 papers). Leonard P. Bokhorst is often cited by papers focused on Prostate Cancer Diagnosis and Treatment (25 papers), Prostate Cancer Treatment and Research (24 papers) and Urologic and reproductive health conditions (7 papers). Leonard P. Bokhorst collaborates with scholars based in Netherlands, Finland and Italy. Leonard P. Bokhorst's co-authors include Monique J. Roobol, Antti Rannikko, Chris H. Bangma, Tom Pickles, R. Valdagni, Yoshiyuki Kakehi, Ivo G. Schoots, Neophytos Petrides, Arnout R. Alberts and Jonas Hugosson and has published in prestigious journals such as The Journal of Urology, European Urology and Quality of Life Research.

In The Last Decade

Leonard P. Bokhorst

25 papers receiving 1.1k 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.

A Decade of Active Surveillance in the PRIAS Study: An Update and Evaluation of the Criteria Used to Recommend a Switch to Active Treatment

2016 272 citations Leonard P. Bokhorst, R. Valdagni et al. European Urology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Leonard P. Bokhorst Netherlands	12	1.0k	299	200	197	173	27	1.1k
Meelan Bul Netherlands	12	978 1.0×	275 0.9×	188 0.9×	218 1.1×	128 0.7×	19	1.0k
Stijn Roemeling Netherlands	17	992 1.0×	315 1.1×	182 0.9×	237 1.2×	96 0.6×	42	1.1k
Rebecka Arnsrud Godtman Sweden	15	937 0.9×	278 0.9×	150 0.8×	258 1.3×	120 0.7×	44	1.0k
Perakaa Sethukavalan Canada	6	911 0.9×	266 0.9×	141 0.7×	193 1.0×	92 0.5×	12	987
Mufaddal Mamawala United States	16	1.1k 1.1×	297 1.0×	146 0.7×	274 1.4×	96 0.6×	34	1.2k
Emanuele Zaffuto Italy	19	937 0.9×	361 1.2×	254 1.3×	164 0.8×	122 0.7×	70	1.2k
Jaakko O. Salo Finland	10	729 0.7×	185 0.6×	155 0.8×	170 0.9×	118 0.7×	15	899
Tineke Wolters Netherlands	20	1.4k 1.4×	358 1.2×	311 1.6×	350 1.8×	145 0.8×	43	1.6k
Kae Jack Tay Singapore	18	956 1.0×	216 0.7×	288 1.4×	148 0.8×	207 1.2×	100	1.2k
Jo-Åsmund Lund Norway	6	849 0.8×	259 0.9×	82 0.4×	210 1.1×	184 1.1×	7	1.0k

Countries citing papers authored by Leonard P. Bokhorst

Since Specialization

Citations

This map shows the geographic impact of Leonard P. Bokhorst'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 Leonard P. Bokhorst with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Leonard P. Bokhorst more than expected).

Fields of papers citing papers by Leonard P. Bokhorst

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Leonard P. Bokhorst. 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 Leonard P. Bokhorst. The network helps show where Leonard P. Bokhorst may publish in the future.

Co-authorship network of co-authors of Leonard P. Bokhorst

This figure shows the co-authorship network connecting the top 25 collaborators of Leonard P. Bokhorst. A scholar is included among the top collaborators of Leonard P. Bokhorst 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 Leonard P. Bokhorst. Leonard P. Bokhorst 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

Guévelou, Jennifer Le, Thomas Zilli, Luca Nicosia, et al.. (2025). « Augmented radiotherapy » in the management of high-risk prostate cancer (PCa): A systematic review. Critical Reviews in Oncology/Hematology. 207. 104623–104623. 1 indexed citations

Drost, Frank‐Jan H., et al.. (2023). Prostate cancer risk assessment by the primary care physician and urologist: transabdominal- versus transrectal ultrasound prostate volume-based use of the Rotterdam Prostate Cancer Risk Calculator. Translational Andrology and Urology. 12(2). 241–248. 5 indexed citations

Hamoen, E.H.J., Caroline Hoeks, Diederik M. Somford, et al.. (2018). Value of Serial Multiparametric Magnetic Resonance Imaging and Magnetic Resonance Imaging–guided Biopsies in Men with Low-risk Prostate Cancer on Active Surveillance After 1 Yr Follow-up. European Urology Focus. 5(3). 407–415. 26 indexed citations

Venderbos, Lionne D. F., Shafak Aluwini, Monique J. Roobol, et al.. (2017). Long-term follow-up after active surveillance or curative treatment: quality-of-life outcomes of men with low-risk prostate cancer. Quality of Life Research. 26(6). 1635–1645. 28 indexed citations

Alberts, Arnout R., Ivo G. Schoots, Leonard P. Bokhorst, et al.. (2017). Characteristics of Prostate Cancer Found at Fifth Screening in the European Randomized Study of Screening for Prostate Cancer Rotterdam: Can We Selectively Detect High-grade Prostate Cancer with Upfront Multivariable Risk Stratification and Magnetic Resonance Imaging?. European Urology. 73(3). 343–350. 23 indexed citations

Bokhorst, Leonard P., Monique J. Roobol, Chris H. Bangma, & Geert J. van Leenders. (2017). Effect of pathologic revision and Ki67 and ERG immunohistochemistry on predicting radical prostatectomy outcome in men initially on active surveillance. The Prostate. 77(10). 1137–1143. 4 indexed citations

Bruinsma, Sophie, Chris H. Bangma, Peter R. Carroll, et al.. (2016). Active surveillance for prostate cancer: a narrative review of clinical guidelines. Nature Reviews Urology. 13(3). 151–167. 126 indexed citations

Bokhorst, Leonard P., Yoshiyuki Kakehi, Chris H. Bangma, et al.. (2016). Complications after prostate biopsies in men on active surveillance and its effects on receiving further biopsies in the Prostate cancer Research International: Active Surveillance (PRIAS) study. British Journal of Urology. 118(3). 366–371. 40 indexed citations

Bokhorst, Leonard P., R. Valdagni, Antti Rannikko, et al.. (2016). A Decade of Active Surveillance in the PRIAS Study: An Update and Evaluation of the Criteria Used to Recommend a Switch to Active Treatment. European Urology. 70(6). 954–960. 272 indexed citations breakdown →

10.

Bokhorst, Leonard P., Marco Zappa, Sigrid Carlsson, et al.. (2016). Correlation between stage shift and differences in mortality in the European Randomised study of Screening for Prostate Cancer (ERSPC). British Journal of Urology. 118(5). 677–680. 10 indexed citations

11.

Alberts, Arnout R., Ivo G. Schoots, Leonard P. Bokhorst, et al.. (2015). Risk-based Patient Selection for Magnetic Resonance Imaging-targeted Prostate Biopsy after Negative Transrectal Ultrasound-guided Random Biopsy Avoids Unnecessary Magnetic Resonance Imaging Scans. European Urology. 69(6). 1129–1134. 47 indexed citations

12.

Venderbos, Lionne D. F., Monique J. Roobol, Chris H. Bangma, et al.. (2015). Rule-based versus probabilistic selection for active surveillance using three definitions of insignificant prostate cancer. World Journal of Urology. 34(2). 253–260. 4 indexed citations

13.

Bokhorst, Leonard P., Arnout R. Alberts, Antti Rannikko, et al.. (2015). Compliance Rates with the Prostate Cancer Research International Active Surveillance (PRIAS) Protocol and Disease Reclassification in Noncompliers. European Urology. 68(5). 814–821. 98 indexed citations

14.

Bokhorst, Leonard P., Arnout R. Alberts, Yoshiyuki Kakehi, et al.. (2015). PD34-04 FREQUENCY OF PSA TESTING IN MEN ON ACTIVE SURVEILLANCE FOR PROSTATE CANCER.. The Journal of Urology. 193(4S). 2 indexed citations

15.

Schoots, Ivo G., Neophytos Petrides, Francesco Giganti, et al.. (2014). Magnetic Resonance Imaging in Active Surveillance of Prostate Cancer: A Systematic Review. European Urology. 67(4). 627–636. 229 indexed citations

16.

Bokhorst, Leonard P., Ries Kranse, Lionne D. F. Venderbos, et al.. (2014). Differences in Treatment and Outcome After Treatment with Curative Intent in the Screening and Control Arms of the ERSPC Rotterdam. European Urology. 68(2). 179–182. 11 indexed citations

17.

Bokhorst, Leonard P., Chris H. Bangma, Geert J.L.H. van Leenders, et al.. (2013). Prostate-specific Antigen–Based Prostate Cancer Screening: Reduction of Prostate Cancer Mortality After Correction for Nonattendance and Contamination in the Rotterdam Section of the European Randomized Study of Screening for Prostate Cancer. European Urology. 65(2). 329–336. 61 indexed citations

18.

Venderbos, Lionne D. F., Leonard P. Bokhorst, Chris H. Bangma, & Monique J. Roobol. (2013). Active surveillance. Current Opinion in Urology. 23(3). 268–272. 8 indexed citations

19.

Bokhorst, Leonard P., Xiaoye Zhu, Meelan Bul, et al.. (2012). Positive predictive value of prostate biopsy indicated by prostate‐specific‐antigen‐based prostate cancer screening: trends over time in a European randomized trial*. British Journal of Urology. 110(11). 1654–1660. 34 indexed citations

20.

Bokhorst, Leonard P., et al.. (2011). [Couching then and now].. PubMed. 155. A3283–A3283.

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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