Prognostic factors in WHO grade 2 transitional-cell bladder cancer (TCC); a novel two-grade classification system for TCC based on mitotic index.
A retrospective histological analysis has been carried out on 537 cases of transitional-cell bladder carcinoma, followed-up over a period of 9 years. In the first part of the study WHO grade 2 tumours were analysed and a number of independent factors predictive for survival identified. In a multivariate analysis the T category and M/V index (number of mitotic figures/mm2 neoplastic epithelium) were the most important prognostic factors. In a subsequent analysis of the whole series of 537 cases, overall the M/V index was not as important in predicting survival as the stage of the tumour. However, in superficial tumours (Ta-T1) subsequent analysis showed that the M/V index alone could be used to predict survival.
Lipponen
P K
PK
Department of Pathology, University of Kuopio, Finland.
Eskelinen
M J
MJ
Jauhiainen
K
K
Harju
E
E
Terho
P
P
Haapasalo
H
H
D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000145:classification / Q000235:genetics* / Q000473:pathology*; D016009:Chi-Square Distribution; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007620:Karyometry; D008297:Male; D008940:Mitotic Index; D015999:Multivariate Analysis; D011379:Prognosis; D012189:Retrospective Studies; D016019:Survival Analysis; D015996:Survival Rate; D001749:Urinary Bladder Neoplasms / Q000145:classification / Q000235:genetics* / Q000473:pathology*