A 30-year-old male is having attic cholesteatoma of left ear with lateral sinus thrombophlebitis. Which of the following will be the operation of choice:
(c) Canal wall down mastoidectomy(Ref. Cummings, 6th ed., 2175)Intact canal wall down mastoidectomy is done when there is limited disease in the mastoid.Simple mastoidectomy also known as cortical mastoidectomy is done for acute and coalescent mastoiditis.Following any canal wall down procedure the big mastoid cavity can be obliterated to prevent cavity related problems but if the unsafe CSOM is associated with complications this is postponed to a next stage.
Intact canal wall mastoidectomy
Simple mastoidectomy with tympanoplasty
Canal wall down mastoidectomy
Mastoidectomy with cavity obliteration
Anatomy of Middle Ear (Otitis Media)