[Morphology of precancerous mucosal changes in the bladder].


A morphological analysis of 346 biopsy specimens from 140 patients with chronic cystitis permits one to evaluate a nonproliferative and proliferative forms of the disease as well as the squamous-cell metaplasia (leukoplakia) of urothelium as the risk diseases in the development of bladder cancer. Among them only the cases with dysplasia foci of urothelium… (More)