Petrous apicitis.
D000293:Adolescent; D006801:Humans; D008297:Male; D010000:Osteitis / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D010033:Otitis Media / Q000150:complications; D010579:Petrous Bone / Q000000981:diagnostic imaging / Q000601:surgery; D011859:Radiography