Figure 1From: Severe leukoencephalopathy with fulminant cerebral edema reflecting immune reconstitution inflammatory syndrome during HIV infection: a case report Magnetic resonance imaging (MRI) scans. This MRI scan from the patient's initial presentation shows a perivascular infiltration and intraparenchymal, large-scale lesions in both hemispheres on the T2-weighted images (A). Application of gadolinium revealed no enhancement of the lesions in the T1-weighted images (B).Back to article page