The Muscularis Mucosae of the Human Urinary Bladder
- 1 January 1992
- journal article
- research article
- Published by Taylor & Francis in Scandinavian Journal of Urology and Nephrology
- Vol. 26 (3) , 249-252
- https://doi.org/10.3109/00365599209180877
Abstract
The human urinary bladder wall is traditionally described as being without a muscularis mucosae. A consecutive one year material of 772 bladder biopsies from 171 patients were examined for the proposed presence of lamina muscularis mucosae (MM). MM was observed in 15% of the biopsies and in 35% of the patients and graded into three patterns according to its continuity. Biopsies with transitional cell carcinomas were reviewed in order to find out whether MM-positive biopsies had been staged correctly. The data are discussed in relation to earlier studies on the subject.Keywords
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