[Central perforation and cholesteatoma].
D002781:Cholesteatoma; D003560:Cysts; D004432:Ear, Middle; D006801:Humans; D014432:Tympanic Membrane; D018058:Tympanic Membrane Perforation
CYSTS; EAR, MIDDLE/cysts; TYMPANIC MEMBRANE/perforation
Zentrale Perforation und Cholesteatom.