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A Case of Subcortical Intracerebral Hemorrhage Caused by Underlying Oligodendroglioma Diagnosed through Long-Term Follow-Up Masamune KIDOGUCHI 1 , Makoto ISOZAKI 1 , Satoshi HIROSE 1 , Ryuhei KITAI 2 , Ken-ichiro KIKUTA 2 1Department of Neurosurgery, Sugita Genpaku Memorial Obama Municipal Hospital 2Department of Neurosurgery, Faculty of Medical Science, University of Fukui Keyword: intratumoral hemorrhage , subcortical cerebral hemorrhage , low grade glioma , discrepancy between hematoma and brain edema pp.233-238
Published Date 2017/3/10
DOI https://doi.org/10.11477/mf.1436203485
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 We report on a case of an oligodendroglioma that caused intracerebral hemorrhage, which was diagnosed by long-term follow-up. An 82-year-old man with underlying hypertrophic cardiomyopathy presented with weakness in the right upper extremity. Computed tomography and magnetic resonance imaging(MRI)showed intracerebral hemorrhage and focal brain edema. Since there was a discrepancy between hematoma and focal brain edema, we first diagnosed cardiogenic cerebral embolism. Six months later, MRI results showed an improvement of the brain edema;however, the lesion developed after a year. We suspected that this lesion included a brain tumor and performed an open surgical biopsy. Pathological examination revealed that the tumor was an oligodendroglioma(World Health Organization grade 2). Because brain tumors that are complicated with intratumoral bleeding are often highly malignant and the lesions gradually increase in size, it is relatively easy to make a precise diagnosis. However, in low-grade gliomas, the intracerebral hemorrhage and brain edema may occasionally improve in the short term. We show that a case with a discrepancy between hematoma and brain edema should be followed up for at least more than a year, even when initial MRI does not reveal a brain tumor .


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

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