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Actas Urológicas Españolas

Print version ISSN 0210-4806


GUARCH TROYAS, R.; JIMENEZ CALVO, J.; REPARAZ ROMERO, B.  and  GOMEZ DORRONSORO, M.L.. Florid cystitis glandularis of intestinal type with mucin extravasation: a mimic of tumour. Actas Urol Esp [online]. 2003, vol.27, n.4, pp.297-300. ISSN 0210-4806.

A wide spectrum of glandular epitheliales metaplastic changes may be seen in the bladder. Extensive replacement of the urotelium with an epithelium resembling intestinal mucosa is recognised as a premalignant condition. However, the natural history of intestinal metaplasia of the urinary bladder and longterm outcome are unknown. We report a case of glandular cystitis with intestinal metaplasia in a young patient. Cistoscopy revealed a tumour well circumscribed measuring 4 cm on the trigone. Microscopic examination showed numerous glands lined by intestinal type epithelium without atipia, conforming to the appearence of the intestinal variant of cystitis glandularis. This case had prominent foci of basophilic mucin in the stroma. Rounded aggregates of mucin were occasionally surrounded by compressed conective tissue cells, simulating mucinous cyst. This case illustrates the extent to wich cystitis glandularis may mimic a neoplasm on gross evaluation and the propensity of mucin extravasation to cause diagnostic difficulty, a finding documented only rarely previously, and we discuss its biologic significance.

Keywords : Urinary bladder; Cystitis glandularis; Intestinal variant; Intestinal metaplasia; Tumor like lesion.

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