Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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November 14, 2024
Axial FLAIR (A) and T2 sequences (B) show subtle hyperintensity in the right superior frontal lobe involving the subcortical U fibers (orange arrow). There is diffusion hyperintensity in the bilateral frontal and parietal lobes involving the subcortical U fibers (blue arrows; C) with corresponding low signal on ADC map (D) with sparing of perirolandic regions (green arrow). Axial T1 postcontrast sequence shows absence of leptomeningeal and pachymeningeal enhancement.
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