Abstract:
BACKGROUND:Although single-photon emission computerized tomography of the dopamine transporter (DAT-SPECT) is useful for diagnosing parkinsonian syndrome, its applicability toward the early phase of Parkinson's disease remains unknown. METHODS:We enrolled 32 patients showing parkinsonism with normal cardiac 123I-metaiodobenzylguanidine (MIBG) uptake and abnormal DAT-SPECT findings among 84 consecutive patients with parkinsonism. We divided these patients into two groups (group 1: Parkinson's disease, group 2: corticobasal degeneration, progressive supranuclear palsy, multiple system atrophy), and compared their clinical characteristics, specific binding ratios, and striatal asymmetry indexes on DAT-SPECT examinations. RESULTS:The striatal asymmetry indexes were significantly lower in group 1 than in group 2 (p<0.05), but there were no differences in the specific binding ratios between the two groups. CONCLUSION:The combined use of striatal asymmetry index on DAT-SPECT and cardiac MIBG scintigraphy might offer useful clues for the differential diagnosis of the early phase Parkinson's disease from other parkinsonian syndromes.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Niimi Y,Ito S,Murate K,Hirota S,Hikichi C,Ishikawa T,Maeda T,Nagao R,Shima S,Mizutani Y,Ueda A,Mutoh Tdoi
10.1016/j.jns.2017.04.026subject
Has Abstractpub_date
2017-06-15 00:00:00pages
174-178eissn
0022-510Xissn
1878-5883pii
S0022-510X(17)30258-7journal_volume
377pub_type
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