抄録
Case 1 was a 24-year-old male and his cholesteatoma was sheet shaped. Case 2 was a 41-year-old female and case 3, a 7-year-old male, both of whom had cystic cholesteatomas along with acquired cholesteatomas. A dissociation between hearing level and subjective symptoms of hearing disturbance appears to be helpful in the diagnosis of congenital cholesteatoma.
