title: CHOLESTEATOMA GENESIS. CLINICAL OBSERVATIONS.
mesh_terms: D002648:Child; D002781:Cholesteatoma; D004432:Ear, Middle; D005064:Eustachian Tube; D006801:Humans; D009369:Neoplasms / Q000209:etiology*; D006255:Rhinitis, Allergic, Seasonal; D013514:Surgical Procedures, Operative; D014432:Tympanic Membrane
keywords: CHILD; CHOLESTEATOMA; EAR, MIDDLE; EUSTACHIAN TUBE; HAY FEVER; NEOPLASM ETIOLOGY; SURGERY, OPERATIVE; TYMPANIC MEMBRANE