References
- Brackmann DE, Toh EH. Surgical management of petrous apex cholesterol granulomas. Otol Neurotol 2003;23:529–533.
- Montgomery WW. Cystic lesions of the petrous apex: transsphenoid approach. Ann Otol Rhinol Laryngol 1977;86:429–435.
- Fucci MJ, Alford EL, Lowry LD. Endoscopic management of a giant cholesterol cyst of the petrous apex. Skull Base Surg 1994;41:52–58.