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A Case of Intracranial Malignant Meningioma with Extraneural Metastases Masaharu SATO 1 , Yutaka MATSUSHIMA 1 , Junji TAGUCHI 1 , Nobuhiro KANAI 1 , Masato HANADA 2 , Tohru HAYAKAWA 3 1Department of Neurosurgery, Toyonaka Municipal Hospital 2Department of Pathology, Toyonaka Municipal Hospital 3Department of Neurosurgery, Osaka University Medical School Keyword: Bone metastasis , Malignant meningioma , Metastasis , Recurrence pp.633-637
Published Date 1995/7/10
DOI https://doi.org/10.11477/mf.1436901055
  • Abstract
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A case of intracranial malignant meningioma with re-mote metastases to the bones is reported. A 66-year-old man with regrowth of right sphenoid ridge menin-gioma, whose meningioma had partially been removed 15 years before, was admitted to our clinic. The tumor was large enough to protrude into the lateral and third ventricles, and involved the right internal carotid, mid-dle cerebral, anterior cerebral artery and optic nerve. The tumor had irregular contour, and was hetero-geneously enhanced by Gd-DTPA on MRI. An opera-tion was performed, but a part of the tumor around these main arteries could not be removed. Histopatholo-gical examination revealed anaplastic meningioma, re-sulting from malignant change. Radiotherapy was per-formed postoperatively and the patient was discharged. Seven months after the operation he complained of posterior nuchal, back, and lumbar pain. Radiological examination revealed multiple punched-out lesions in the ribs and vertebrae, which were histologically de-monstrated to be metastases of intracranial anaplastic meningioma. Radiotherapy was carried out for the cer-vical vertebrae, but his symptoms persisted. He died of pneumonia 10 months after the operation.


Copyright © 1995, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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