title: [Cholesteringranuloma in the mastoid cavity (blue drum membrane, or idiopathic haematotympanum)].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002784:Cholesterol / Q000097:blood; D003638:Deafness / Q000209:etiology; D004432:Ear, Middle; D005260:Female; D005341:Fibrinolysin / Q000097:blood; D006099:Granuloma / Q000601:surgery; D006320:Hearing Tests; D006470:Hemorrhage; D006801:Humans; D008297:Male; D008416:Mastoid
chemical_list: D002784:Cholesterol; D005341:Fibrinolysin