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- I Sunada, H Nakabayashi, Y Matsusaka, and S Yamamoto.
- Department of Neurosurgery, Saiseikai Ibaraki Hospital, Osaka, Japan.
- Radiat Med. 1998 Nov 1; 16 (6): 483-6.
AbstractA 48-year-old woman presented with sudden left hemiplegia with headache, which deteriorated two days later. CT scan showed repeated intratumoral and subdural hemorrhages. Magnetic resonance imaging showed a parasagittal tumor infiltrating into the superior sagittal sinus, with intratumoral hemorrhage and acute subdural hematoma in the interhemispheric fissure. The intratumoral hematoma had several different intensities, which indicated repeated hemorrhages. The subdural hematoma and the tumor were removed via frontoparietal craniotomy. The histological diagnosis was fibrous-type meningioma with a high Ki-67 labeling index (6.7). As there were tumor cells within the subdural hematoma, it seemed to have resulted from tumoral hemorrhage. A high index of cell proliferation may indicate some mechanism responsible for hemorrhage in malignant tumor.
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