We describe three patients with high grade supratentorial gliomas who were operated and later presented with cerebellar mass lesions on the opposite side. Supratentorial infarct with crossed cerebellar atrophy is a well-known entity called crossed cerebellar diaschisis. We hypothesize that supratentorial high grade tumours might also spread to the opposite cerebellum through crossed cerebrocerebellar fiber tracts similar to crossed cerebellar diaschisis.
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