@article{oai:shiga-med.repo.nii.ac.jp:00003465, author = {新田, 直樹 and 椎野, 顯彦 and 石田, 光明 and 岡部, 英俊 and 野﨑, 和彦 and NITTA, Naoki and SHIINO, Akihiko and ISHIDA, Mitsuaki and OKABE, Hidetoshi and NOZAKI, Kazuhiko}, issue = {3}, journal = {Neurologia medico-chirurgica}, month = {Mar}, note = {A 64-year-old woman presented with the history of transient global amnesia. Magnetic resonance imaging with contrast medium showed a lobulated heterogeneously enhanced cystic lesion attached to the superior surface of the right tentorium, indenting the right temporal lobe laterally and midbrain medially. A small part of the lesion was located under the right tentorium and did not involve the right trigeminal nerve. The lesion was subtotally resected via the subtemporal approach and did not affect the trochlear and trigeminal nerves. Histological examination showed that the lesion was schwannoma. Intracranial schwannomas usually arise from the cranial nerves. The present case of tentorial schwannoma not associated with the cranial nerves is extremely rare. Schwannoma should be included in the differential diagnosis of tumors arising from the tentorium., 64歳女。神経線維腫症の徴候はなかった。一過性全健忘が出現した。MRI造影画像で右テントの上表面に接着する分葉化した不均質に増強される嚢胞病変を認め、右側頭葉外側と中脳内側に接触していた。病変の一部は右テント下に位置し、右三叉神経には浸潤していなかった。側頭下アプローチにて腫瘍の亜全摘術を行なった。滑車神経や三叉神経には影響を与えなかった。組織学的診断は神経鞘腫であった。, Journal Article}, pages = {239--243}, title = {Tentorial schwannoma in a 64-year-old female: case report.}, volume = {51}, year = {2011} }