Fig. 13
From: Magnetic resonance imaging of arterial stroke mimics: a pictorial review
A 61-year-old woman with headaches with associated neurological deficits and lymphocytosis (HaNDL) presenting with motor and language deficits. No altered DWI (a), no arterial occlusion (b). Hyperintensities on FLAIR (c) and enhancement (d) in the cortical sulci may be seen related to lymphocytic meningitis. Hypoperfusion can be seen in more than one arterial territory (e–g, arrows)