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Onset disease axial FLAIR & T2 MR brain imaging. Heavy Periventricular zone (PVZ-I) lesion load (a & b). Note specific anterior temporal PVZ lesions (b, arrows). Cortical-juxta-cortical (zone II) lesion (c, arrow), other lesions are sub-cortical. Infratentorial (zone III) lesions in pons (d, subtle) and brachium pontis (large lesion right side (d, arrow).
