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  • Title: [A case of meningioma associated with intracerebral hemorrhage and acute deterioration].
    Author: Yoshioka H, Inagawa T, Katoh Y, Tokuda Y, Ohbayashi N, Shibukawa M.
    Journal: No Shinkei Geka; 1995 Jan; 23(1):79-84. PubMed ID: 7845526.
    Abstract:
    We report a case of convexity meningioma associated with sudden onset of intracerebral hemorrhage followed by acute deterioration. A 76-year-old previously healthy male suddenly collapsed into coma and was admitted to our department. On admission, he was deeply comatose. Computerized tomography (CT) scan revealed intracerebral hemorrhage in the right frontal lobe, together with an isodense mass lesion of about 5 cm in diameter. The density on the fronto-medial side of the mass increased after administration of contrast medium, probably due to extravasation. However, there was no enhancement of the mass lesion. Cerebral angiography revealed marked prolongation in circulation time and extravasation via the right middle internal frontal artery. The right middle meningeal artery was dilated and elongated, but no tumor stain was found. The patient died on the following day. Autopsy disclosed massive hemorrhage in the right frontal lobe together with a convexity meningioma. Histological examination showed that the tumor was a fibroblastic meningioma. We review previously reported cases of convexity meningioma associated with intracranial hemorrhage, and discuss mainly the mechanism of bleeding.
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