Fig. 2From: Widespread enlarged perivascular spaces associated with dementia and focal brain dysfunction: case reportExtended areas of hypoperfusion in the entire left hemisphere and right frontal lobe were observed by p-iodoamphetamine-single photon emission computed tomography (IMP-SPECT) (a). Magnetic resonance venography revealed no significant occlusive regions in the cerebral venous system (b)Back to article page