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Concurrent Vestibular Schwannoma and Meningioma Mimicking a Single Cerebellopontine Angle Tumor

Joe Walter Kutz, Samuel Lee Barnett, Kimmo J. Hatanpaa, Dianne B. Mendelsohn

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Abstract

Vestibular schwannomas account for ~;80% of cerebellopontine angle (CPA) tumors, with meningiomas being the second most common tumor of the CPA. The occurrence of both a schwannoma and a meningioma in the cerebellopontine angle is rare. After obtaining Institutional Review Board approval, we present a case of a concurrent vestibular schwannoma and meningioma in the CPA mimicking a single tumor. KEYWORDS Acoustic neuroma - vestibular schwannoma - meningioma - cerebellopontine angle

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What this paper is about

Vestibular schwannomas account for ~;80% of cerebellopontine angle (CPA) tumors, with meningiomas being the second most common tumor of the CPA. The occurrence of both a schwannoma and a meningioma in the cerebellopontine angle is rare. After obtaining Institutional Review Board approval, we present a case of a concurrent vestibular schwannoma and meningioma in the CPA mimicking a single tumor. KEYWORDS Acoustic neuroma - vestibular schwannoma - meningioma - cerebellopontine angle

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Available abstract

Vestibular schwannomas account for ~;80% of cerebellopontine angle (CPA) tumors, with meningiomas being the second most common tumor of the CPA. The occurrence of both a schwannoma and a meningioma in the cerebellopontine angle is rare. After obtaining Institutional Review Board approval, we present a case of a concurrent vestibular schwannoma and meningioma in the CPA mimicking a single tumor. KEYWORDS Acoustic neuroma - vestibular schwannoma - meningioma - cerebellopontine angle

Key concepts: Cerebellopontine angle, Schwannoma, Medicine, Meningioma, Vestibular system, Radiology, Magnetic resonance imaging

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