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MRI Brain +orbits showing thickening of bilateral optic nerves (right >left) with non enhancement of the entire right optic nerve which is associated with restricted diffusion signals. Enhancement of left optic nerve is preserved. (A) Axial T2-Weighted; (B) coronal T2-Weighted; (C) Axial T1-Weighted post-Gadolinium; (D) Diffusion Weighted Imaging (B-value 1000 s/mm²); (E) Apparent diffusion coefficient; (F) Axial T1-Weighted post-Gadolinium enhancement of cerebellum (arrow).
