title: Signet ring cell adenocarcinoma of the urachus.
abstract: Signet ring cell adenocarcinoma of the bladder is rare. Only 16 cases are recorded in the literature, although two meet the requirements for being considered of urachal origin. We present the third case of signet cell adenocarcinoma of urachal origin.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000473:pathology*; D000328:Adult; D006801:Humans; D014497:Urachus / Q000473:pathology; D001743:Urinary Bladder / Q000473:pathology*; D001749:Urinary Bladder Neoplasms / Q000473:pathology*