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CNS Changes in DRPLA with Dementia and Personality Changes: CT, MR and SPECT Findings

Abstract: CNS changes in a case of DRPLA associated with dementia and personality changes were observed by CT, MR and SPECT. Brain CT and MR of the patient revealed progressive cortical atrophy which was recognized in parallel with the clinical course of the progression of dementia and personality changes. SPECT using 123I‐iodoamphetamine (IMP) disclosed a diffuse low perfusion of the cerebral cortex, especially in the frontal and temporal lobes. These findings suggest that the dementia and personality changes in this case might be concerned with a dysfunction of the cerebral cortex.