Objective: To explore the endoscopic management of petrous apex cholesterol granuloma through trans-sphenoid sinus-clivus approach.
Method: One case of right-side petrous apex cholesterol granuloma were undertaken surgical treatment through trans-sphenoid sinus-clivus approach, then the possibility of any other approach and their advantages and disadvantages were analyzed.
Result: The operation was success without any complications. Patient's hearing was recovered and tinnitus vanished. The patient was discharge from hospital at the third day after operation, and followed up for four month without recurrence.
Conclusion: Trans-sphenoid sinus clivus endoscopic management of petrous apex cholesterol granuloma is effective and safe. The operators can monitor internal carotid artery then to access to the diseased region with reducing risk.