An “isodense” (on CT) meningioma

A woman in her sixties was found with a right-sided hemiplegia and aphasia. It was assumed that she had suffered an acute stroke. A non-contrast CT brain scan was performed, but revealed no abnormalities at first view by the physicians on duty (fig 1A and B). Thrombolytic therapy was considered, but not carried out as her symptoms spontaneously improved. The EEG was normal. The patient had no vascular risk factors and an antiplatelet drug was prescribed. Three months …