title: Giant urinary bladder calculi.
abstract: Four patients with giant urinary bladder calculi are presented. All were males with bladder outflow obstruction. The literature on the subject is reviewed.
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D001744:Urinary Bladder Calculi / Q000150:complications / Q000000981:diagnostic imaging*; D001748:Urinary Bladder Neck Obstruction / Q000150:complications / Q000000981:diagnostic imaging