"CholesteatomaPTNCI" . . "Disease or Syndrome"^^ . . "C0008373"^^ . "Cholesteatoma"^^ . "Cholesteatoma"^^ . "Cholesteatoma"^^ . "C2944"^^ . "A non-neoplastic keratinizing mass with stratified squamous epithelium, frequently occurring in the meninges, central nervous system, bones of the skull, and most commonly in the middle ear and mastoid region.MSH2003_2003_05_12" . .