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  • Beijert, Irene J.Antoni Van Leeuwenhoek Hospital,Academic Medical Center of University of Amsterdam (AMC) (author)

International Opinions on Grading of Urothelial Carcinoma : A Survey Among European Association of Urology and International Society of Urological Pathology Members

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023
  • 12 s.

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:3e4879e9-c0b1-4e5f-88cf-8e548957dfd9
  • https://lup.lub.lu.se/record/3e4879e9-c0b1-4e5f-88cf-8e548957dfd9URI
  • https://doi.org/10.1016/j.euros.2023.03.019DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Background: Grade of non–muscle-invasive bladder cancer (NMIBC) is an important prognostic factor for progression. Currently, two World Health Organization (WHO) classification systems (WHO1973, categories: grade 1–3, and WHO2004 categories: papillary urothelial neoplasm of low malignant potential [PUNLMP], low-grade [LG], high-grade [HG] carcinoma) are used. Objective: To ask the European Association of Urology (EAU) and International Society of Urological Pathology (ISUP) members regarding their current practice and preferences of grading systems. Design, setting, and participants: A web-based, anonymous questionnaire with ten questions on grading of NMIBC was created. The members of EAU and ISUP were invited to complete an online survey by the end of 2021. Thirteen experts had previously answered the same questions. Outcome measurements and statistical analysis: The submitted answers from 214 ISUP members, 191 EAU members, and 13 experts were analyzed. Results and limitations: Currently, 53% use only the WHO2004 system and 40% use both systems. According to most respondents, PUNLMP is a rare diagnosis with management similar to Ta-LG carcinoma. The majority (72%) would consider reverting back to WHO1973 if grading criteria were more detailed. Separate reporting of WHO1973-G3 within WHO2004-HG would influence clinical decisions for Ta and/or T1 tumors according the majority (55%). Most respondents preferred a two-tier (41%) or a three-tier (41%) grading system. The current WHO2004 grading system is supported by a minority (20%), whereas nearly half (48%) supported a hybrid three- or four-tier grading system composed of both WHO1973 and WHO2004. The survey results of the experts were comparable with ISUP and EAU respondents. Conclusions: Both the WHO1973 and the WHO2004 grading system are still widely used. Even though opinions on the future of bladder cancer grading were strongly divided, there was limited support for WHO1973 and WHO2004 in their current formats, while the hybrid (three-tier) grading system with LG, HG-G2, and HG-G3 as categories could be considered the most promising alternative. Patient summary: Grading of non–muscle-invasive bladder cancer (NMIBC) is a matter of ongoing debate and lacks international consensus. We surveyed urologists and pathologists of European Association of Urology and International Society of Urological Pathology on their preferences regarding NMIBC grading to generate a multidisciplinary dialogue. Both the “old” World Health Organization (WHO) 1973 and the “new” WHO2004 grading schemes are still used widely. However, continuation of both the WHO1973 and the WHO2004 system showed limited support, while a hybrid grading system composed of both the WHO1973 and the WHO2004 classification system may be considered a promising alternative.

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  • Cheng, LiangBrown University (author)
  • Liedberg, FredrikLund University,Lunds universitet,Urologi - blåscancer, Malmö,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Urinblåsecancer,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Urology - urothelial cancer, Malmö,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Urothelial cancer,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital(Swepub:lu)urok-fli (author)
  • Plass, Karin (author)
  • Williamson, Sean R.Cleveland Clinic Foundation (author)
  • Gontero, PaoloUniversity of Turin (author)
  • Ribal, Maria J.University of Barcelona (author)
  • Babjuk, MarkoVienna General Hospital / University Hospital Vienna,University Hospital Motol (author)
  • Black, Peter C.University of British Columbia (author)
  • Kamat, Ashish M.University of Texas (author)
  • Algaba, FerranAutonomous University of Barcelona (author)
  • Berman, David M.Queen's University at Kingston (author)
  • Hartmann, ArndtFriedrich-Alexander University Erlangen-Nürnberg (author)
  • Masson-Lecomte, AlexandraUniversité Paris Cité (author)
  • Rouprêt, MorganPitié-Salpêtrière University Hospital (author)
  • Lopez-Beltran, AntonioChampalimaud Clinical Center,University of Córdoba, Spain (author)
  • Samaratunga, HemamaliUniversity of Queensland (author)
  • Shariat, Shahrokh F.University Hospital Motol,Vienna General Hospital / University Hospital Vienna (author)
  • Mostafid, A. Hugh (author)
  • Varma, MuraliUniversity Hospital of Wales (author)
  • Shen, StevenMethodist Hospital Houston (author)
  • Burger, MaximilianWeill Cornell Medical College (author)
  • Tsuzuki, ToyonoriUniversity of Regensburg (author)
  • Palou, Joan (author)
  • Compérat, Eva M.Autonomous University of Barcelona (author)
  • Sylvester, Richard J. (author)
  • van der Kwast, Theo H.Vienna General Hospital / University Hospital Vienna (author)
  • van Rhijn, Bas W.G.Antoni Van Leeuwenhoek Hospital (author)
  • Downes, Michelle R.University of Toronto,Sunnybrook Health Sciences Centre (author)
  • Antoni Van Leeuwenhoek HospitalAcademic Medical Center of University of Amsterdam (AMC) (creator_code:org_t)

Related titles

  • In:European Urology Open Science52, s. 154-1652666-1691

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