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Journal of Korean Neurosurgical Society 2006;40(6): 463-466.
Meningioma en Plaque of Parasagittal Region Presented with Recurrent Venous Infarction.
Ho Kwon Park, Young Cho Koh, Hyun Seung Kang, So Dug Lim
1Departments of Neurosurgery, Konkuk University Hospital, Seoul, Korea. kohyc@kuh.ac.kr
2Departments of Pathology, Konkuk University Hospital, Seoul, Korea.
A case of parasagittal meningioma en plaque with a peculiar clinical presentation is reported with a review of the literature. A 72-year-old woman presented with dysphasia and right hemiparesis. Computed tomography and magnetic resonance imaging demonstrated focal edema of left frontal lobe and a thick sheet-like parasagittal enhancing lesion with extension along the falx cerebri and adjacent sulcal enhancement. Differential diagnosis included idiopathic hypertrophic pachymeningitis, meningeal neurosarcoidosis, metastasis and meningioma en plaque. Cerebral angiography revealed occlusion of the anterior one-third of the superior sagittal sinus as well as a faint tumor blush supplied from the anterior branch of the middle meningeal artery. At surgery, the tumor invading the dura and skull was removed totally but the tumor invaded into the superior sagittal sinus was removed subtotally. The tumor was confirmed to be a transitional meningioma on pathological examination.
Key Words: Meningioma en plaque; Superior sagittal sinus occlusion; Cerebral venous infarction; Cerebral angiography
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