Computationally Derived Cribriform Area Index from Prostate Cancer Hematoxylin and Eosin Images Is Associated with Biochemical Recurrence Following Radical Prostatectomy and Is Most Prognostic in Gleason Grade Group 2.
Biochemical recurrence
Cribriform
Digital pathology
Gleason grading
Machine learning
Prostate cancer
Journal
European urology focus
ISSN: 2405-4569
Titre abrégé: Eur Urol Focus
Pays: Netherlands
ID NLM: 101665661
Informations de publication
Date de publication:
Jul 2021
Jul 2021
Historique:
received:
11
12
2020
revised:
11
03
2021
accepted:
16
04
2021
pubmed:
5
5
2021
medline:
14
4
2022
entrez:
4
5
2021
Statut:
ppublish
Résumé
The presence of invasive cribriform adenocarcinoma (ICC), an expanse of cells containing punched-out lumina uninterrupted by stroma, in radical prostatectomy (RP) specimens has been associated with biochemical recurrence (BCR). However, ICC identification has only moderate inter-reviewer agreement. To investigate quantitative machine-based assessment of the extent and prognostic utility of ICC, especially within individual Gleason grade groups. A machine learning approach was developed for ICC segmentation using 70 RP patients and validated in a cohort of 749 patients from four sites whose median year of surgery was 2007 and with median follow-up of 28 mo. ICC was segmented on one representative hematoxylin and eosin RP slide per patient and the fraction of tumor area composed of ICC, the cribriform area index (CAI), was measured. The association between CAI and BCR was measured in terms of the concordance index (c index) and hazard ratio (HR). CAI was correlated with BCR (c index 0.62) in the validation set of 411 patients with ICC morphology, especially those with Gleason grade group 2 cancer (n = 192; c index 0.66), and was less prognostic when patients without ICC were included (c index 0.54). A doubling of CAI in the group with ICC morphology was prognostic after controlling for Gleason grade, surgical margin positivity, preoperative prostate-specific antigen level, pathological T stage, and age (HR 1.19, 95% confidence interval 1.03-1.38; p = 0.018). Automated image analysis and machine learning could provide an objective, quantitative, reproducible, and high-throughput method of quantifying ICC area. The performance of CAI for grade group 2 cancer suggests that for patients with little Gleason 4 pattern, the ICC fraction has a strong prognostic role. Machine-based measurement of a specific cell pattern (cribriform; sieve-like, with lots of spaces) in images of prostate specimens could improve risk stratification for patients with prostate cancer. In the future, this could help in expanding the criteria for active surveillance.
Sections du résumé
BACKGROUND
BACKGROUND
The presence of invasive cribriform adenocarcinoma (ICC), an expanse of cells containing punched-out lumina uninterrupted by stroma, in radical prostatectomy (RP) specimens has been associated with biochemical recurrence (BCR). However, ICC identification has only moderate inter-reviewer agreement.
OBJECTIVE
OBJECTIVE
To investigate quantitative machine-based assessment of the extent and prognostic utility of ICC, especially within individual Gleason grade groups.
DESIGN, SETTING, AND PARTICIPANTS
METHODS
A machine learning approach was developed for ICC segmentation using 70 RP patients and validated in a cohort of 749 patients from four sites whose median year of surgery was 2007 and with median follow-up of 28 mo. ICC was segmented on one representative hematoxylin and eosin RP slide per patient and the fraction of tumor area composed of ICC, the cribriform area index (CAI), was measured.
OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS
METHODS
The association between CAI and BCR was measured in terms of the concordance index (c index) and hazard ratio (HR).
RESULTS AND LIMITATIONS
CONCLUSIONS
CAI was correlated with BCR (c index 0.62) in the validation set of 411 patients with ICC morphology, especially those with Gleason grade group 2 cancer (n = 192; c index 0.66), and was less prognostic when patients without ICC were included (c index 0.54). A doubling of CAI in the group with ICC morphology was prognostic after controlling for Gleason grade, surgical margin positivity, preoperative prostate-specific antigen level, pathological T stage, and age (HR 1.19, 95% confidence interval 1.03-1.38; p = 0.018).
CONCLUSIONS
CONCLUSIONS
Automated image analysis and machine learning could provide an objective, quantitative, reproducible, and high-throughput method of quantifying ICC area. The performance of CAI for grade group 2 cancer suggests that for patients with little Gleason 4 pattern, the ICC fraction has a strong prognostic role.
PATIENT SUMMARY
RESULTS
Machine-based measurement of a specific cell pattern (cribriform; sieve-like, with lots of spaces) in images of prostate specimens could improve risk stratification for patients with prostate cancer. In the future, this could help in expanding the criteria for active surveillance.
Identifiants
pubmed: 33941504
pii: S2405-4569(21)00122-X
doi: 10.1016/j.euf.2021.04.016
pmc: PMC8419103
mid: NIHMS1696840
pii:
doi:
Substances chimiques
Eosine Yellowish-(YS)
TDQ283MPCW
Hematoxylin
YKM8PY2Z55
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
722-732Subventions
Organisme : NCATS NIH HHS
ID : UL1 TR002548
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA216579
Pays : United States
Organisme : NCRR NIH HHS
ID : C06 RR012463
Pays : United States
Organisme : NCI NIH HHS
ID : U24 CA199374
Pays : United States
Organisme : NIBIB NIH HHS
ID : R43 EB028736
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA239055
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA249992
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL151277
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA220581
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA202752
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA208236
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA248226
Pays : United States
Organisme : BLRD VA
ID : I01 BX004121
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA257612
Pays : United States
Organisme : NCI NIH HHS
ID : U54 CA254566
Pays : United States
Informations de copyright
Copyright © 2021 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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