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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