Cavernous hemangioma of the cisternal segment of the auditory nerve: case report

BACKGROUND: Extraaxial cerebellopontine angle cavernous hemangiomas are rare and their diagnosis and treatment are challenging. CASE PRESENTATION: A 43-year-old female was admitted to the hospital who had repeated hearing loss in her left ear accompanied by tinnitus. Magnetic resonance imaging revealed a hemangioma-like lesion in the left cerebellopontine angle extra-axial cisternal segment. During the surgery, it was found that the lesion was located in the cisternal segment of the root of the auditory nerve. Postoperative pathological examination confirmed that the lesion was a cavernous hemangioma. CONCLUSION: We report a case of cavernous hemangioma in the brain spatula cisternal segment of the left auditory nerve. For cranial nerve CMs early diagnosis and surgical removal may maximize the chance of a positive outcome.