CT images display high density material in the bilateral putamen and thalami
without surrounding vasogenic edema. Curvilinear high density also outlines
the occipital cortex, bilaterally.
Axial T1 and gradient-echo (GRE, right) MR images through the basal ganglia
demonstrate high signal on T1 and low signal on GRE in the same distribution.
Key words: ct mri metabolic