title: [Changes of pneumatization in middle-ear cholesteatoma during the last decades].
mesh_terms: D002781:Cholesteatoma / Q000503:physiopathology*; D002908:Chronic Disease; D004427:Ear Diseases / Q000503:physiopathology*; D004432:Ear, Middle; D004848:Epithelium; D006801:Humans; D008416:Mastoid; D008417:Mastoiditis / Q000503:physiopathology; D010033:Otitis Media / Q000503:physiopathology
vernacular_title: Wandlungen der Pneumatisation beim Mittelohrcholesteatom in den letzten Jahrzehnten.