[Application of autogenous bone pate for atticus reconstruction and mastoid cavity obliteration in tympanoplasty with mastoidectomy].

Objective: To observe the curative effect of autogenous bone pate for atticus reconstitution and mastoid cavity obliteration in canal wall down mastoidectomy with tympanoplasty.

Method: The 60 patients (60 ears) of cholesteatomatous tympanitis were randomly divided into 2 groups. The experimental group underwent canal wall down mastoidectomy with tympanoplasty and using autogenous bone pate for atticus reconstitution and mastoid cavity obliteration.