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The Korean Journal of Pathology 2007;41(2): 116-118.
The Intestinal Type of Florid Cystitis Glandularis Mimics Bladder Tumor: A Case Report.
Young Soo Song, Ki Seok Jang, Si Hyong Jang, Kyueng Whan Min, Woong Na, Soon Young Song, Hong Sang Moon, Tchun Yong Lee, Seung Sam Paik
ABSTRACT
Cystitis glandularis is a benign metaplastic proliferative lesion of the urinary bladder which usually occurs in the setting of chronic irritation and infection or in some cases as a congenital process. Sometimes it presents as a tumor mass-like florid lesion, grossly mimicking malignancy. We report a case of 59-year-old man with multiple mass lesions around the trigone and the neck portion, which suggested the possibility of malignancy in clinical and radiological evaluations. Final diagnosis was confirmed by transurethral resection. The surface urothelial lining was intact. The submucosa showed von Brunn's nests, cystitis glandularis and cystitis cystica in the edematous lamina propria. There were numerous glands lined by tall columnar, mucin producing epithelium without atypia, conforming to the appearance of the intestinal variant of cystitis glandularis. The cystitis glandularis may mimic a neoplasm on gross evaluation. The intestinal variant of cystitis glandularis is particularly likely to be problematic when florid.
Key Words: Cystitis glandularis; Intestinal variant; Urinary bladder