title: Pathogenesis of attic cholesteatomas.
mesh_terms: D002781:Cholesteatoma / Q000209:etiology* / Q000473:pathology; D003260:Contact Inhibition; D004427:Ear Diseases / Q000209:etiology*; D004428:Ear Neoplasms / Q000473:pathology; D004432:Ear, Middle / Q000473:pathology; D004814:Epidermal Cyst / Q000473:pathology; D004848:Epithelium / Q000473:pathology; D006801:Humans; D013701:Temporal Bone / Q000473:pathology; D014432:Tympanic Membrane / Q000473:pathology