Yonago Acta Medica
Online ISSN : 1346-8049
ISSN-L : 0513-5710
High-grade Glioma Masquerading as a Small Cerebral Hemorrhage: A Case Report
Atsushi KambeTomohiro HosoyaMakoto SakamotoShinji KondoMasamichi Kurosaki
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JOURNAL FREE ACCESS Advance online publication

Article ID: 2019.11.004

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Abstract

We report a rare case of a high-grade glioma masquerading as a small subcortical hemorrhage. A 71-year-old woman came to a local hospital with sudden right upper extremity numbness. Computed tomography revealed a small subcortical hemorrhage with faint perifocal edema in the left postcentral gyrus. Conservative treatment was initiated, and she was discharged from the hospital with no neurological deficits. Six months later after discharge, she suffered an acute partial seizure of the right upper extremity. Magnetic resonance imaging with gadolinium demonstrated a ring-enhancing mass surrounded by severe perifocal edema in the hemorrhagic scar. We performed complete resection of the tumor, and the histological diagnosis was anaplastic oligodendroglioma. The diagnosis of a high-grade glioma was delayed due to intratumoral hemorrhages mimicking a small subcortical hemorrhage; consequently, we suspected the hemorrhage was induced by cerebral amyloid angiopathy. It may be important to repeat radiological follow up, if necessary, and to maintain clinical observance of possible intracranial neoplasm, even when the hemorrhage is small, particularly when the cause of bleeding is unknown.

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© 2019 Tottori University Medical Press
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