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FIG 3. A 37-year-old man with PCNSL (patient 5 in Table 1). Change of zone II abnormality with complete resolution. Baseline Z score –3.00; end-of-treatment Z score –.44 (This patient had multiple enhancing tumor foci, consequently with multiple zone II abnormalities, some of them partially, some of them completely resolved. See also Fig 2.)
A, Baseline axial T2-weighted image shows three distinct areas of zone II in the centrum semiovale on both sides.
B, End-of-treatment axial T2-weighted image. No T2 signal intensity abnormality is seen (i.e., the zone II areas have completely resolved).
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