A CLINICO-PATHOLOGICAL SURVEY OF EXOPHYTIC TUMORS OF THE URINARY BLADDER I. An Analysis of the Structure of the Fibro-vascular Cores With Special References to the Clinical Prognosis

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In this paper the results of the clinicopathological study on a total of 79 bladder tumor cases are presented. They are principally related to the stromal proliferation or branching of the tumors. The tumor cases consist of those with a good prognosis as well as those with a poor prognosis. In the former category there are 61 cases with a long survival history (with or without recurrence); the remainder (18 cases) had a history of a short survival (dying within 2 years). Histologically there was a marked difference in the regularity of the stromal branching of the tumor between those cases with a long survival history and those cases with a short survival history. In the former group the regular type of stromal branching was predominant; in the latter group the irregular type was predominant.