Simultaneously occurring vestibular schwannoma and meningioma in the cerebellopontine angle: case report and literature review

Y Izci, H I Secer, E Gönül, O Ongürü
Clinical Neuropathology 2007, 26 (5): 219-23
Simultaneously occurring multiple primary brain tumors of different histological types are rare, and the coexistence of schwannoma and meningioma in the same cerebellopontine angle (CPA) without neurofibromatosis is extremely rare. A 57-year-old female patient presented with headache, speech disturbance, left facial numbness and deafness in the left ear. Magnetic resonance imaging demonstrated two different tumors in the left CPA. These tumors were not in continuity. The tumors were totally removed through the left suboccipital approach. Histopathological examination revealed that the large tumor was a vestibular schwannoma and the smaller was a meningioma. Neurofibromatosis was not diagnosed in the patient. No recurrence was observed at the end of 9 years after the operation. The simultaneous occurrence of vestibular schwannoma and meningioma in the CPA appears coincidental. This association must be kept in mind if two different tumors are detected radiologically in the same CPA.

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