Primary meningeal fibrosarcoma: a particular neuroradiological presentation

primary meningeal fibrosarcoma is a rare malignant tumor of the central ner vous system. About seventeen cases have been reported in the literature sin ce 1980. We present the case of a patient whose initial neuroradiological m anifestation of primary meningeal fibrosarcoma was an en plaque meningioma. Fifteen months later, he developed a dramatic clinical deterioration and c oma. CT scan revealed a large frontal lesion. The mass was completely remov ed and histological examination was characteristic of meningeal fibrosarcom a.