[Primary cholesteatoma of the auditory canal as a result of roentgen-irradiaton].
D002781:Cholesteatoma / Q000209:etiology*; D004194:Disease; D004424:Ear Canal; D004427:Ear Diseases; D004431:Ear, External; D006801:Humans; D008499:Medical Records; D011832:Radiation Injuries
CHOLESTEATOMA/etiology; EAR, EXTERNAL/diseases; RADIATION INJURY/case reports