Surgical management of petrous apex cholesterol granulomas by an infralabyrinthine approach: Our experience with fourteen cases

Abstract

Cholesterol granulomas represent 40% of benign lesions developed within the petrous apex.¹ Most of them are asymptomatic and do not require any treatment.² When they involve adjacent structures such as the inner ear, the internal auditory meatus, the cranial nerves, or when they are painful, surgical management is required although this is challenging because of the position of the lesion, and the high rate of recurrence.

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