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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Axial (A), coronal (B), and sagittal (C) FLAIR oblique cerebellar vermix MR images show predominant subcortical nodular signal abnormality bubbly lesion involving in a vertical fashion the superior midline cerebellum from the tip of the vermis superiorly to the subependymal white matter between the dentate nuclei inferiorly, extending anteriorly to the margin of the superior cerebellar peduncles. Axial DWI (D) shows no associated diffusion signal abnormality. Axial T1-weighted with contrast image (E) demonstrates no pathologic enhancement after gadolinium administration. Axial T2-weighted image (F) shows discrete nodular T2-hyperintense lesions without mass effect. There have not been interval changes since prior MRI.
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