Ten-year results of canal wall down mastoidectomy for acquired cholesteatoma

Objecti6e: To examine 10-year results of canal wall down mastoidectomy (CWDM) for acquired cholesteatoma. Methods: Medical records of 136 patients with cholesteatoma who has undergone CWDM in a university hospital and who had a follow-up of at least 10 years were checked. Results: During follow-up, 21 % of patients had undergone one revision operation and 3 % two revisions. The recurrence rate of cholesteatoma was 17 % and in three patients the cholesteatoma recurred twice. Ten years after CWDM, 98 % of the operated ears were dry, 1 % moist, and one ear (0.7%) was discharging. The tympanic membrane was intac