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[A case of intraventricular cystic meningioma].

We report a case of intraventricular cystic meningioma in the left lateral ventricle. A-44-year-old male patient was admitted with headache on November 25, 1991. Neurological examination revealed acalculia and left homonymous hemianopsia. CT and MRI showed a solid tumor which originated in the body of the left lateral ventricle, and which was associated with a cystic component postero-laterally. Tumor strains fed by the left anterior choroidal artery and the medial and lateral posterior choroidal artery by angiography. The tumor was totally removed via the lateral temporal parietal approach. Histological examination revealed meningotheliomatous meningioma in the solid tumor and only gliosis in the wall of the cyst.