International Society of Urological Pathology (ISUP) Consensus Conference on Current Issues in Bladder Cancer : Working Group 3: Subcategorization of T1 Bladder Cancer
(2024) In American Journal of Surgical Pathology 48(1). p.24-31- Abstract
Emerging data on T1 bladder cancer subcategorization (aka substaging) suggests a correlation with oncological outcomes. The International Society of Urological Pathology (ISUP) organized the 2022 consensus conference in Basel, Switzerland to focus on current issues in bladder cancer and tasked working group 3 to make recommendations for T1 subcategorization in transurethral bladder resections. For this purpose, the ISUP developed and circulated a survey to their membership querying approaches to T1 bladder cancer subcategorization. In particular, clinical relevance, pathological reporting, and endorsement of T1 subcategorization in the daily practice of pathology were surveyed. Of the respondents of the premeeting survey, about 40% do... (More)
Emerging data on T1 bladder cancer subcategorization (aka substaging) suggests a correlation with oncological outcomes. The International Society of Urological Pathology (ISUP) organized the 2022 consensus conference in Basel, Switzerland to focus on current issues in bladder cancer and tasked working group 3 to make recommendations for T1 subcategorization in transurethral bladder resections. For this purpose, the ISUP developed and circulated a survey to their membership querying approaches to T1 bladder cancer subcategorization. In particular, clinical relevance, pathological reporting, and endorsement of T1 subcategorization in the daily practice of pathology were surveyed. Of the respondents of the premeeting survey, about 40% do not routinely report T1 subcategory. We reviewed literature on bladder T1 subcategorization, and screened selected articles for clinical performance and practicality of T1 subcategorization methods. Published literature offered evidence of the clinical rationale for T1 subcategorization and at the conference consensus (83% of conference attendants) was obtained to report routinely T1 subcategorization of transurethral resections. Semiquantitative T1 subcategorization was favored (37%) over histoanatomic methods (4%). This is in line with literature findings on practicality and prognostic impact, that is, a shift of publications from histoanatomic to semiquantitative methods or by reports incorporating both methodologies is apparent over the last decade. However, 59% of participants had no preference for either methodology. They would add a comment in the report briefly stating applied method, interpretation criteria (including cutoff), and potential limitations. When queried on the terminology of T1 subcategorization, 34% and 20% of participants were in favor of T1 (microinvasive) versus T1 (extensive) or T1 (focal) versus T1 (nonfocal), respectively.
(Less)
- author
- Lopez-Beltran, Antonio ; Raspollini, Maria R. ; Hansel, Donna ; Compérat, Eva ; Williamson, Sean R. ; Liedberg, Fredrik LU ; Iczkowski, Kenneth A. ; Bubendorf, Lukas ; Van Der Kwast, Theodorus H. and Cheng, Liang
- organization
- publishing date
- 2024-01
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- muscularis mucosae, prognostic, T1 bladder cancer, T1 subcategorization
- in
- American Journal of Surgical Pathology
- volume
- 48
- issue
- 1
- pages
- 24 - 31
- publisher
- Lippincott Williams & Wilkins
- external identifiers
-
- pmid:37737692
- scopus:85180417593
- ISSN
- 0147-5185
- DOI
- 10.1097/PAS.0000000000002121
- language
- English
- LU publication?
- yes
- id
- bef298ca-aa45-4f5e-9c6a-5f3fbf371626
- date added to LUP
- 2024-01-31 13:58:11
- date last changed
- 2024-04-17 02:13:50
@article{bef298ca-aa45-4f5e-9c6a-5f3fbf371626,
abstract = {{<p>Emerging data on T1 bladder cancer subcategorization (aka substaging) suggests a correlation with oncological outcomes. The International Society of Urological Pathology (ISUP) organized the 2022 consensus conference in Basel, Switzerland to focus on current issues in bladder cancer and tasked working group 3 to make recommendations for T1 subcategorization in transurethral bladder resections. For this purpose, the ISUP developed and circulated a survey to their membership querying approaches to T1 bladder cancer subcategorization. In particular, clinical relevance, pathological reporting, and endorsement of T1 subcategorization in the daily practice of pathology were surveyed. Of the respondents of the premeeting survey, about 40% do not routinely report T1 subcategory. We reviewed literature on bladder T1 subcategorization, and screened selected articles for clinical performance and practicality of T1 subcategorization methods. Published literature offered evidence of the clinical rationale for T1 subcategorization and at the conference consensus (83% of conference attendants) was obtained to report routinely T1 subcategorization of transurethral resections. Semiquantitative T1 subcategorization was favored (37%) over histoanatomic methods (4%). This is in line with literature findings on practicality and prognostic impact, that is, a shift of publications from histoanatomic to semiquantitative methods or by reports incorporating both methodologies is apparent over the last decade. However, 59% of participants had no preference for either methodology. They would add a comment in the report briefly stating applied method, interpretation criteria (including cutoff), and potential limitations. When queried on the terminology of T1 subcategorization, 34% and 20% of participants were in favor of T1 (microinvasive) versus T1 (extensive) or T1 (focal) versus T1 (nonfocal), respectively.</p>}},
author = {{Lopez-Beltran, Antonio and Raspollini, Maria R. and Hansel, Donna and Compérat, Eva and Williamson, Sean R. and Liedberg, Fredrik and Iczkowski, Kenneth A. and Bubendorf, Lukas and Van Der Kwast, Theodorus H. and Cheng, Liang}},
issn = {{0147-5185}},
keywords = {{muscularis mucosae; prognostic; T1 bladder cancer; T1 subcategorization}},
language = {{eng}},
number = {{1}},
pages = {{24--31}},
publisher = {{Lippincott Williams & Wilkins}},
series = {{American Journal of Surgical Pathology}},
title = {{International Society of Urological Pathology (ISUP) Consensus Conference on Current Issues in Bladder Cancer : Working Group 3: Subcategorization of T1 Bladder Cancer}},
url = {{http://dx.doi.org/10.1097/PAS.0000000000002121}},
doi = {{10.1097/PAS.0000000000002121}},
volume = {{48}},
year = {{2024}},
}