Clinical and radiologic sequelae of the middle fossa approach to the internal auditory canal.

Objective: This retrospective study aimed to characterize the postoperative nonneurotologic complications and radiologic findings after the middle fossa approach to the internal auditory canal (IAC). A grading system for computed tomography (CT) changes was developed.

Study Design: Sixty-two patients operated between 2000 and 2003 had CT scans of the head on the day after surgery.