Evidence map›Paper›PMID 41384703›Full record

ReviewHistopathology2026

Grading of bladder cancer: updates, controversies and practical solutions.

Michelle R Downes, Theodorus H van der Kwast, Antonio Lopez-Beltran, Liang Cheng

Abstract readReview
In one paragraph

Review in Histopathology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. UrinaryTranslational andrology and urology · 2026
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Michelle R DownesDivision of Anatomic Pathology, Department of Laboratory Medicine and Molecular Diagnostics, Precision Diagnostics and Therapeutics Program, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.ORCID https://orcid.org/0000-0002-4528-3724
Theodorus H van der KwastLaboratory Medicine Program, University Health Network, Princess Margaret Cancer Center, University of Toronto, Toronto, Ontario, Canada.ORCID https://orcid.org/0000-0001-8640-5786
Antonio Lopez-BeltranUnit of Anatomic Pathology, Department of Morphological Sciences, Cordoba University Medical School, Cordoba, Spain.ORCID https://orcid.org/0000-0003-3161-8164
Liang ChengDepartment of Pathology and Laboratory Medicine, Brown University Warren Alpert Medical School, Legorreta Cancer Center at Brown University, and Brown University Health, Rhode Island, USA.ORCID https://orcid.org/0000-0001-6049-5293

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bladder cancer grading provides important prognostic information to clinicians, and the assigned grade is used as a variable in risk stratification models. There have been multiple proposed grading schemes over the last century, with the most widely utilized in contemporary practice being the World Health Organization (WHO) 1973 and 2004 schemes, with WHO 2004 used almost exclusively in North America, and dual grading using both 2004 and 1973 is in widespread use in Europe. Recently, there has been increased interest in hybrid grading schemes for papillary bladder cancer. These combine features from both aforementioned schemes and have demonstrated prognostic performance that exceeds WHO 2004 and WHO 1973. In this article, we review the historical background and new concepts in bladder cancer grading, highlight the opinions and perspectives of clinicians and pathologists, and assess the challenges along with evidence for and against different grading schemes. We discuss the potential contribution of hybrid 3-tier grading of bladder cancer and how this could impact the classification of papillary urothelial neoplasms and shape future grading scheme proposals.

Indexed as

Carcinoma, Transitional CellNeoplasm GradingUrinary Bladder NeoplasmsHumansPrognosisbladder cancerhybrid gradinginterobserver variabilitypapillaryWHO 1973WHO 2004

Identifiers

PMID41384703
PMCPMC12700064

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.