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Negative DAT-SPECT in Old Onset Parkinson's Disease: An Additional Pitfall?

Giovanni PalermoSara GiannoniTommaso DepaloDaniela FrosiniDuccio VolterraniGabriele SicilianoUbaldo BonuccelliRoberto Ceravolo
Published in: Movement disorders clinical practice (2022)
We suggest that old-onset patients may truly have dopaminergic degeneration despite normal imaging results, presumably because they are diagnosed in the early stages confirming less efficient striatal compensatory strategies in old-age onset PD.
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