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Three month-old boy with bilateral intracranial involvement of SWS, right greater than left. Axial T2-weighted images (top panel) show moderate to marked right and mild left cerebral atrophy. Post-Gadolinium T1-weighted images (bottom panel) demonstrate leptomeningeal angiomatosis in all lobes of the right hemisphere as well as left temporal and occipital lobes (see arrows, imaging score R:15; L:7).
