Chronic petrositis. Diagnosis and treatment.
D000328:Adult; D002908:Chronic Disease; D004427:Ear Diseases / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D005260:Female; D006261:Headache / Q000209:etiology; D006801:Humans; D008297:Male; D008417:Mastoiditis / Q000150:complications*; D008722:Methods; D010033:Otitis Media / Q000150:complications*; D010579:Petrous Bone / Q000601:surgery