Takara K, Cho K, Mori K, Maeda M
Department of Neurosurgery, Juntendo University Izunagaoka Hospital, Shizuoka.
Neurol Med Chir (Tokyo). 1997 Nov;37(11):856-60. doi: 10.2176/nmc.37.856.
A 37-year-old male presented with a very rare cystic meningioma in the trigone of the left lateral ventricle. Neurological examination revealed mild conduction aphasia and right hemisensory disturbance. Computed tomography and magnetic resonance imaging showed a solid, enhancing tumor in the left trigone which had multiple cystic components located anteriorly and superiorly. The tumor was totally resected via a parietal, transventricular approach. Histological examination revealed an atypical meningioma with cellular pleomorphism and prominent nucleoli. Both the solid component and the cyst wall consisted of tumor cells.