Routine radiography in early cholesteatomatous middle ear disease.
D002781:Cholesteatoma / Q000000981:diagnostic imaging*; D002908:Chronic Disease; D004424:Ear Canal / Q000000981:diagnostic imaging; D004429:Ear Ossicles / Q000000981:diagnostic imaging; D004432:Ear, Middle / Q000000981:diagnostic imaging*; D006801:Humans; D008416:Mastoid / Q000000981:diagnostic imaging; D008452:Maximum Allowable Concentration; D010033:Otitis Media / Q000000981:diagnostic imaging*; D010579:Petrous Bone / Q000000981:diagnostic imaging; D011187:Posture; D013701:Temporal Bone / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray / Q000009:adverse effects / Q000379:methods