Etiology of a middle ear cholesteatoma, Kodachrome study of pathogenesis.
D002648:Child; D002781:Cholesteatoma / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D004428:Ear Neoplasms / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D006801:Humans; D010033:Otitis Media / Q000150:complications*; D010781:Photography; D014432:Tympanic Membrane