which surgical procedure would be performed for excision of a cholesteatoma?
Removal of Cholesteatoma via Modified Radical Mastoidectomy. Modified radical mastoidectomy, also known as canal wall down (CWD) mastoidectomy, is a surgical procedure which involves removal of the posterior (back) wall of the ear canal to create a common cavity for the mastoid and ear canal. This single cavity also known as mastoid bowl opens up to the outside of the ear canal.