Abstract:The purpose of this study is to evaluate the incidence and the degree of peritumoral edema on MRI in meningioma and to correlate other MR findings withtheedema. Materals and Methodds: MR images of 35 patients with histologically-confirmed meningioma were retrospectively reviewed. We analyzed the MR findings with special attention to the presence or absence and degree of edema. The edema was graded as absent, mild (extending less than 1 cm from outer margin of mass), moderate (1 to 3cm with mild mass effect), a… Show more
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