期刊
ARQUIVOS DE NEURO-PSIQUIATRIA
卷 67, 期 1, 页码 1-6出版社
ASSOC ARQUIVOS NEURO- PSIQUIATRIA
DOI: 10.1590/S0004-282X2009000100002
关键词
Parkinson's disease; progressive supranuclear palsy; multiple system atrophy; magnetic resonance; spectroscopy
The differential diagnosis of Parkinson ism based on clinical features, sometimes maybe difficult. Diagnostic tests in these cases might be useful, especially magnetic resonance imaging, a noninvasive exam, not as expensive as positron emission tomography, and provides a good basis for anatomical analysis. The magnetic resonance spectroscopy analyzes cerebral metabolism, yielding inconsistent results in parkinsonian disorders. We selected 40 individuals for magnetic resonance imaging and spectroscopy analysis, 12 with Parkinson's disease, 11 with progressive supranuclear palsy, 7 with multiple system atrophy (parkinsonian type), and 10 individuals without any psychiatric or neurological disorders (controls). Clinical scales included Hoenh and Yahr, unified Parkinson's disease rating scale and mini mental status examination. The results showed that patients with Parkinson's disease and controls presented the same aspects on neuroimaging, with few or absence of abnormalities, and supranuclear progressive palsy and multiple system atrophy showed abnormalities, some of which statistically significant. Thus, magnetic resonance imaging and spectroscopy could be useful as a tool in differential diagnosis of Parkinsonism.
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