mitochondrial DNA deletion syndrome

These images demonstrate T2 FLAIR hyperintensity within the bilateral globus pallidus, thalami, periventricular white matter, midbrain, and dorsal pons. In addition there are areas of subcortical and periventricular white matter T2 FLAIR hyperintensity. Many of these foci demonstrate restricted diffusion compatible with ischemia. This patient has a history of mitochondrial DNA deletion syndrome and presented with worsening ataxia.  Findings for mitochondrial deletions generally involve the bilateral deep gray matter and peripheral white matter as seen here.  If spectroscopy is performed, you would expect to find elevated lactate levels. (Leigh-Syndrom, Hopoxisch ischämisch ect.)

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