Cholesterol granuloma and other petrous apex lesions

Abstract

This article presents the latest information on the presentation, diagnosis, imaging characteristics, management, and outcomes for petrous apex cholesterol granulomas. An in-depth review of the pathophysiology and surgical approaches is presented along with a summary of other petrous apex lesions and their imaging characteristics.

Keywords: Cholesterin granuloma; Cholesterol granuloma; Petrous apex; Petrous bone; Skull base; Temporal bone.