Characteristics and Clinical Management Strategy of Petrous Apex Cholesterol Granulomas.

To evaluate the clinical characteristics of petrous apex cholesterol granulomas (PACG) and assess outcomes after different treatment strategies. A consecutive case series of 34 patients with a PACG. Main outcomes were PACG growth, symptoms, and the outcomes of different treatment strategies: wait-and-scan (WS) and surgical drainage.

Sensorineural Hearing Impairment Recovery after Transmastoidal Surgery for a Petrous Apex Cholesterol Granuloma: A Case Report.

Cholesterol granulomas are the most common primary lesions of the petrous apex. Although their benign character, impingement of critical neurovascular structures can cause significant symptomatology such as hearing impairment. We present unique results after treatment of a cholesterol granuloma located in the petrous apex causing sensorineural hearing impairment.