Unusual cause of cervical fistula.
D000368:Aged; D001299:Audiometry; D002781:Cholesteatoma / Q000150:complications* / Q000601:surgery; D003937:Diagnosis, Differential; D004424:Ear Canal; D004428:Ear Neoplasms / Q000150:complications*; D005402:Fistula / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D008416:Mastoid / Q000002:abnormalities; D009333:Neck