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  • Title: Striatal Hyperperfusion Observed in Dual-Phase 18F-FP-CIT PET Imaging of Hyperglycemic Chorea.
    Author: Kim YS, Park DG, Shin IJ, An YS, Yoon JH.
    Journal: Clin Nucl Med; 2023 Oct 01; 48(10):881-882. PubMed ID: 37682604.
    Abstract:
    A 76-year-old woman with a history of diabetes mellitus presented with right-side dominant generalized chorea. At presentation, her blood glucose level was 500 mg/dL with an HbA1C of 11%. Because the patient had been on levodopa treatment from her primary physician, a dual-phase 18F-FP-CIT PET scan was performed. The early-phase images showed increased perfusion in the bilateral striatum, and the delayed-phase images revealed decreased uptake in the left caudate. Hyperperfusion in the striatum may indicate the acute phase of hyperglycemic chorea. This image illustrates the advantage of adding early-phase scans in 18F-FP-CIT PET in differentiating various hyperkinetic and hypokinetic disorders.
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