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Table 2 Clinical diagnoses and their corresponding imaging results

From: Comparison of 6-[18F]FDOPA PET with Nigrosome 1 detection in patients with parkinsonism

Clinical gold standard diagnosis Summed [n] 6-[18F]FDOPA abnormal [n, %] N1 abnormal [n, %]
IPS 18 18 (100%) 17 (94%)
APS 9 7 (77%) 5 (55%)
 Progressive supranuclear palsy 6 5 (83%) 3 (50%)
 Corticobasal degeneration 2 1 (50%) 1 (50%)
 Multiple system atrophy 1 1 (100%) 1 (100%)
Non-parkinsonian movement disorders 16 1 (6%) 4 (25%)
 Essential tremor 6 0 (0%) 2 (33%)
 Vascular parkinsonism 3 0 (0%) 1 (33%)
 Drug-induced parkinsonism 2 0 (0%) 0 (0%)
 Restless legs syndrome 1 1 (100%) 0 (0%)
 Ataxia 1 0 (0%) 0 (0%)
 Motor neuron disease 1 0 (0%) 1 (100%)
 Alzheimer’s disease 1 0 (0%) 0 (0%)
 Huntington’s disease 1 0 (0%) 0 (0%)
  1. IPS idiopathic Parkinson syndrome, APS atypical parkinsonian syndrome