Villous Adenoma of the Urinary Bladder: A Morphologic or Biologic Entity?
Open Access
- 1 June 1983
- journal article
- case report
- Published by Oxford University Press (OUP) in American Journal of Clinical Pathology
- Vol. 79 (6) , 728-731
- https://doi.org/10.1093/ajcp/79.6.728
Abstract
Villous adenomas in the urinary bladder are rare neoplasms whose malignant potential is unclear. A case of a morphologically benign non-invasive mucin producing papillary neoplasm of the urinary bladder associated with cystitis glandularis is presented. Absence of A tissue isoantigen from the neoplastic and metaplastic cells and the presence of H tissue isoantigen in both neoplastic and metaplastic cells is observed in a patient whose blood type is A, indicating incomplete maturation of surface coat constituents. The histologically benign appearance of this lesion may belie a malignant potential.Keywords
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