Crossed cerebellar diaschisis
FDG PET-CT requested to characterise a solitary pulmonary nodule. History of right MCA territory infarction and left craniotomy for meningioma.
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Region of encephalomalacia and reduced FDG uptake involving the right MCA territory.
Reduced FDG uptake in the left cerebellum (contralateral).
Pattern of reduced uptake in the left cerebellum is most in keeping with crossed cerebellar diaschisis.