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  • Title: [Morphology of precancerous mucosal changes in the bladder].
    Author: Romanenko AM.
    Journal: Arkh Patol; 1985; 47(11):25-32. PubMed ID: 4091693.
    Abstract:
    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 or the squamous-cell metaplasia with acanthosis or dysplasia from the risk group belonging to bladder precancer. The early ultrastructural signs of urothelial dysplasia are determined; among them the proliferation of the undifferentiated cells with an increased nuclear-cytoplasmic ratio, the disappearance of asymmetrical mutual membrane, vesicular apparatus and cytoplasmic polarity of the superficial cells are to be distinguished.
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