[A contribution to the etiopathogenesis of cholesteatoma of the pyramid].
D001932:Brain Neoplasms / Q000209:etiology*; D002781:Cholesteatoma / Q000209:etiology*; D006801:Humans; D008526:Medulla Oblongata; D009369:Neoplasms
BRAIN NEOPLASMS/etiology; CHOLESTEATOMA/etiology; MEDULLA OBLONGATA/neoplasms