FIG 2. A and B, 45-year-old man. Sagittal T1-weighted (600/9/2) (A) and T2-weighted (5000/135/3) (B) MR images show a long track with a cavity in the left putamen (low signal in A and high signal in B).

C, Sagittal T2-weighted image (5000/135/3) shows abnormally high signal in periventricular, linear, and fuzzy nodular lesions.