J. Alfred Witjes

43.6k citations

407 papers · 27.9k indexed · 14 hit papers · h-index 81

Surgery top 0.01%
Pulmonary and Respiratory Medicine top 0.05%
Urology top 0.01%
Molecular Biology top 1%
Radiology, Nuclear Medicine and Imaging top 0.1%

Co-authors: Jelle O. Barentsz Richard Sylvester Lambertus A. Kiemeney Antoine G. van der Heijden María J. Ribal Nigel C. Cowan Karl‐Heinz Kurth Christina A. Hulsbergen‐van de Kaa
Topics: Bladder and Urothelial Cancer Treatments (275 papers)Urinary and Genital Oncology Studies (214 papers)Prostate Cancer Diagnosis and Treatment (98 papers)
Cited by: Urology Surgery Pulmonary and Respiratory Medicine
Journals: The Lancet Journal of Clinical OncologySHILAP Revista de lepidopterología
Partner nations: Netherlands United States Germany

In The Last Decade

J. Alfred Witjes

401 papers receiving 27.3k citations

Hit Papers

5 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.

Predicting Recurrence and Progression in Individual Patients with Stage Ta T1 Bladder Cancer Using EORTC Risk Tables: A Combined Analysis of 2596 Patients from Seven EORTC Trials

2006 2.1k citations J. Alfred Witjes et al. European Urology profile →
European Association of Urology Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2020 Guidelines

2020 1.3k citations J. Alfred Witjes, Antoine G. van der Heijden et al. European Urology profile →
Updated 2016 EAU Guidelines on Muscle-invasive and Metastatic Bladder Cancer

2016 1.1k citations J. Alfred Witjes, Thierry Lebrét et al. European Urology profile →
EAU Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2013 Guidelines

2013 770 citations J. Alfred Witjes, Thierry Lebrét et al. European Urology profile →
Recurrence and Progression of Disease in Non–Muscle-Invasive Bladder Cancer: From Epidemiology to Treatment Strategy

2009 559 citations J. Alfred Witjes et al. European Urology profile →
Prostate Cancer: Multiparametric MR Imaging for Detection, Localization, and Staging

2011 542 citations Jelle O. Barentsz, Thomas Hambrock et al. profile →
DD3PCA3-based Molecular Urine Analysis for the Diagnosis of Prostate Cancer

2003 532 citations Inge M. van Oort, Lambertus A. Kiemeney et al. European Urology profile →
Treatment of Muscle-invasive and Metastatic Bladder Cancer: Update of the EAU Guidelines

2011 483 citations J. Alfred Witjes et al. European Urology profile →
Relationship between Apparent Diffusion Coefficients at 3.0-T MR Imaging and Gleason Grade in Peripheral Zone Prostate Cancer

2011 481 citations Thomas Hambrock, Henkjan Huisman et al. profile →
An Individual Patient Data Meta-Analysis of the Long-Term Outcome of Randomised Studies Comparing Intravesical Mitomycin C versus Bacillus Calmette-Guérin for Non–Muscle-Invasive Bladder Cancer

2009 465 citations Per‐Uno Malmström, J. Alfred Witjes et al. European Urology profile →
Accuracy of Magnetic Resonance Imaging for Local Staging of Prostate Cancer: A Diagnostic Meta-analysis

2015 448 citations Maarten de Rooij, J. Alfred Witjes et al. European Urology profile →
Multiparametric Magnetic Resonance Imaging for Bladder Cancer: Development of VI-RADS (Vesical Imaging-Reporting And Data System)

2018 397 citations Valeria Panebianco, Jason A. Efstathiou et al. European Urology profile →
Current best practice for bladder cancer: a narrative review of diagnostics and treatments

2022 233 citations J. Alfred Witjes et al. profile →
The 2021 Updated European Association of Urology Guidelines on Metastatic Urothelial Carcinoma

2021 212 citations Jason A. Efstathiou, Antoine G. van der Heijden et al. European Urology profile →

Peers

Countries citing papers authored by J. Alfred Witjes

Since Specialization

Citations

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

Fields of papers citing papers by J. Alfred Witjes

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Alfred Witjes. 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 J. Alfred Witjes. The network helps show where J. Alfred Witjes may publish in the future.

Co-authorship network of co-authors of J. Alfred Witjes

This figure shows the co-authorship network connecting the top 25 collaborators of J. Alfred Witjes. A scholar is included among the top collaborators of J. Alfred Witjes 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 J. Alfred Witjes. J. Alfred Witjes 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	Multiparametric Magnetic Resonance Imaging and Vesical Imaging-Reporting and Data System (VI-RADS) for Bladder Cancer Diagnosis and Staging: A Guide for Clinicians from the American College of Radiology VI-RADS Steering Committee 2025 ·European Urology ·Valeria Panebianco,Alberto Briganti,Jason A. Efstathiou,Samuel J. Galgano,Lyndon Luk,Valdair Francisco Muglia,Bernadette Redd,Maarten de Rooij,Mitsuru Takeuchi,Sungmin Woo,Hebert Alberto Vargas,J. Alfred Witjes	0
2	Health-related Quality of Life During the First 4 Years After Non–Muscle-invasive Bladder Cancer Diagnosis: Results of a Large Multicentre Prospective Cohort 2023 ·European Urology Oncology ·(unknown),(unknown),Katja K.H. Aben,Jorg R. Oddens,J. Alfred Witjes,Lambertus A. Kiemeney,Alina Vrieling	3
3	Vaccination against Extracellular Vimentin for Treatment of Urothelial Cancer of the Bladder in Client-Owned Dogs 2023 ·Cancers ·(unknown),Judy R. van Beijnum,(unknown),(unknown),(unknown),Guy C. M. Grinwis,Jack A. Schalken,J. Alfred Witjes,Arjan W. Griffioen,Elisabeth J. M. Huijbers	7
4	Intravesical BCG in patients with non-muscle invasive bladder cancer induces trained immunity and decreases respiratory infections 2023 ·Journal for ImmunoTherapy of Cancer ·Jelmer H. van Puffelen,Boris Novakovic,Liesbeth van Emst,(unknown),Tahlita C.M. Zuiverloon,(unknown),J. Alfred Witjes,Tessel E. Galesloot,Alina Vrieling,Katja K.H. Aben,Lambertus A. Kiemeney,Egbert Oosterwijk,Mihai G. Netea,Joost L. Boormans,Antoine G. van der Heijden,Leo A. B. Joosten,Sita H. Vermeulen	27
5	Disease-free Survival Analysis for Patients with High-risk Muscle-invasive Urothelial Carcinoma from the Randomized CheckMate 274 Trial by PD-L1 Combined Positive Score and Tumor Cell Score 2023 ·European Urology ·Matthew D. Galsky,Dean F. Bajorin,J. Alfred Witjes,Jürgen E. Gschwend,Yoshihiko Tomita,Federico Nasroulah,(unknown),Sandra Collette,Begoña P. Valderrama,Marc‐Oliver Grimm,Leonard J. Appleman,Gwénaëlle Gravis,Andrea Necchi,Dingwei Ye,Frank Stenner,Megan Wind‐Rotolo,Joshua Zhang,Keziban Ünsal-Kaçmaz	14
6	Cardiovascular Disease in Testicular Cancer Survivors: Identification of Risk Factors and Impact on Quality of Life 2023 ·Journal of Clinical Oncology ·(unknown),(unknown),Ronald de Wit,Sasja F. Mulder,J. Alfred Witjes,J. Martijn Kerst,Gerard Groenewegen,Joop D. Lefrandt,Flora E. van Leeuwen,Janine Nuver,Michael Schaapveld,Jourik A. Gietema	18
7	First results from the phase 3 CheckMate 274 trial of adjuvant nivolumab vs placebo in patients who underwent radical surgery for high-risk muscle-invasive urothelial carcinoma (MIUC). 2021 ·Journal of Clinical Oncology ·Dean F. Bajorin,J. Alfred Witjes,Jürgen E. Gschwend,Michael Schenker,Begoña P. Valderrama,Yoshihiko Tomita,Aristotelis Bamias,Thierry Lebrét,Shahrokh F. Shariat,Se Hoon Park,Dingwei Ye,Mads Agerbæk,Sandra Collette,Keziban Ünsal-Kaçmaz,Dimitrios Zardavas,Henry Koon,Matt D. Galsky	30
8	The UroLife study: protocol for a Dutch prospective cohort on lifestyle habits in relation to non-muscle-invasive bladder cancer prognosis and health-related quality of life 2019 ·BMJ Open ·(unknown),(unknown),J. Alfred Witjes,Katja K.H. Aben,Ellen Kampman,Lambertus A. Kiemeney,Alina Vrieling	10
9	Adjuvant recMAGE-A3 Immunotherapy After Cystectomy for Muscle-invasive Bladder Cancer: Lessons Learned from the Phase 2 MAGNOLIA Clinical Trial 2018 ·European Urology Focus ·Peter F.A. Mulders,Luis Martínez‐Piñeiro,Axel Heidenreich,Marko Babjuk,Marc Colombel,Renzo Colombo,Piotr Radziszewski,(unknown),C. Surcel,(unknown),J. Alfred Witjes,Christien Caris,Raymond G. Schipper,Wim P.J. Witjes	3
10	Two-year follow-up of the phase II marker lesion study of intravesical apaziquone for patients with non-muscle invasive bladder cancer 2009 ·World Journal of Urology ·Kees Hendricksen,Antoine G. van der Heijden,Erik B. Cornel,H. Vergunst,Theo M. de Reijke,E. Boven,Geert A.H.J. Smits,Rajiv Puri,(unknown),J. Alfred Witjes	30
11	Thirty-Two-Channel Coil 3T Magnetic Resonance-Guided Biopsies of Prostate Tumor Suspicious Regions Identified on Multimodality 3T Magnetic Resonance Imaging: Technique and Feasibility 2008 ·Investigative Radiology ·Thomas Hambrock,Jurgen J. Fütterer,Henkjan Huisman,(unknown),Jean‐Paul van Basten,Inge M. van Oort,J. Alfred Witjes,Jelle O. Barentsz	83
12	The past, present and future of cystoscopy: the fusion of cystoscopy and novel imaging technology 2008 ·British Journal of Urology ·(unknown),Cheol Yong Yoon,J. Alfred Witjes	43
13	Standardized Threshold Approach Using Three-Dimensional Proton Magnetic Resonance Spectroscopic Imaging in Prostate Cancer Localization of the Entire Prostate 2007 ·Investigative Radiology ·(unknown),Tom W. J. Scheenen,Stijn W. T. P. J. Heijmink,Henkjan Huisman,Christina A. Hulsbergen‐van de Kaa,J. Alfred Witjes,Arend Heerschap,Jelle O. Barentsz	64
14	Prediction of recurrence in Ta urothelial cell carcinoma by real‐time quantitative PCR analysis: A microarray validation study 2006 ·International Journal of Cancer ·Iman J. Schultz,Kenneth Wester,Huub Straatman,Lambertus A. Kiemeney,Marko Babjuk,Jaroslav Mareš,(unknown),Dorine W. Swinkels,J. Alfred Witjes,Jacques B de Kok,Per‐Uno Malmström	19
15	Prostate cancer: comparison of local staging accuracy of pelvic phased-array coil alone versus integrated endorectal–pelvic phased-array coils 2006 ·European Radiology ·Jurgen J. Fütterer,Marc Engelbrecht,Gerrit J. Jager,Robert P. Hartman,Bernard F. King,Christina A. Hulsbergen‐van de Kaa,J. Alfred Witjes,Jelle O. Barentsz	124
16	The effect of an endorectal balloon and off-line correction on the interfraction systematic and random prostate position variations: A comparative study 2004 ·International Journal of Radiation OncologyBiologyPhysics ·Emile N.J.T. van Lin,Lisette P. van der Vight,J. Alfred Witjes,Henkjan Huisman,J.W.H. Leer,A.G. Visser	80
17	Future strategies in the diagnosis, staging and treatment of bladder cancer 2003 ·Current Opinion in Urology ·Antoine G. van der Heijden,J. Alfred Witjes	7
18	Lower incidence of urothelial cell carcinoma due to the concept of a clonal origin 2000 ·European Journal of Cancer ·Katja K.H. Aben,J. Alfred Witjes,J.A.A.M. van Dijck,Jack A. Schalken,André L. M. Verbeek,Lambertus A. Kiemeney	7
19	Current Recommendations for the Management of Bladder Cancer 1997 ·Drugs ·J. Alfred Witjes	21
20	Bacillus Calmette-Guérin versus mitomycin intravesical therapy in superficial bladder cancer: Results of randomized trial after 21 months of follow-up 1992 ·Urology ·F.M.J. Debruyne,(unknown),J. Alfred Witjes,(unknown),P. A. Steerenberg,(unknown),John Read,(unknown),(unknown),R. Sylvester	13

About J. Alfred Witjes

J. Alfred Witjes is a scholar working on Urology, Surgery and Pulmonary and Respiratory Medicine, having authored 407 papers that have together received 27.9k indexed citations. Recurring topics across this work include Bladder and Urothelial Cancer Treatments (275 papers), Urinary and Genital Oncology Studies (214 papers) and Prostate Cancer Diagnosis and Treatment (98 papers). The work is most often cited by research in Urology (5.9k citations), Surgery (17.5k citations) and Pulmonary and Respiratory Medicine (9.6k citations). J. Alfred Witjes has collaborated with scholars based in Netherlands, United States and Germany. Frequent co-authors include Jelle O. Barentsz, Richard Sylvester, Lambertus A. Kiemeney, Antoine G. van der Heijden, María J. Ribal, Nigel C. Cowan, Karl‐Heinz Kurth, Christina A. Hulsbergen‐van de Kaa, Éva Compérat and Adrian P.M. van der Meijden. Their work appears in journals such as The Lancet, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

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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