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| 99m Tc-TRODAT imaging | Idiopathic Parkinson's disease ( n = 28) | Parkinson-plus syndrome ( n = 10) | |
|---|---|---|---|
| PSP ( n = 06) | MSA ( n = 04) | ||
| Total SUR | 0.58 ± 0.27 | 0.53 ± 0.31 | 0.91 ± 0.20 |
| Right SUR | 0.28 ± 0.16 | 0.27 ± 0.17 | 0.43 ± 0.10 |
| Left SUR | 0.30 ± 0.15 | 0.26 ± 0.15 | 0.47 ± 0.11 |
Abbreviations: 99mTc-TRODAT-1, technetium-99m labeled tropane derivative; MSA, multiple system atrophy; PSP, progressive supranuclear palsy; SUR, striatal uptake ratio.
