title: Ring calcification in a bladder phaeochromocytoma.
mesh_terms: D000293:Adolescent; D002114:Calcinosis / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D006417:Hematuria / Q000209:etiology; D006801:Humans; D010673:Pheochromocytoma / Q000150:complications*; D011859:Radiography; D001749:Urinary Bladder Neoplasms / Q000150:complications*