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Ref : 016113-86 - © Pr Michel ZANCA - ISM Bottom: unilateral Parkinson’s disease (hemiparkinson). Hypofixation of the left putamen. Top: control subject, normal fixation of the striata (putamen and caudate nuclei). PET scan with 123I-DaTScan.
The tracer 123I-DaTScan binds specifically in the striata. The fixation level reflects the number of functional neurons of the presynaptic dopaminergic way which is involved in Parkinson’s disease. |