PMID: 16528976Mar 15, 2006Paper

Brain SPECT analysis by 3D-SSP and clinical features of Parkinson's disease

[Hokkaido igaku zasshi] The Hokkaido journal of medical science
Yasunori MitoHidenao Sasaki

Abstract

The aim of the present study is to investigate the association of symptoms in Parkinson's disease (PD) with cerebral perfusion on single photon emission computed tomography (SPECT). The clinical features of PD were compared with SPECT images of the brain obtained by three-dimensional stereotactic surface projection (3D-SSP) analysis. Thirty-eight patients who had PD without dementia (17 men and 21 women with a mean age of 68.6 +/- 4.7 years) were enrolled in this study. Their symptoms were rated using the unified Parkinson's disease rating scale (UPDRS). Within a week, all patients were examined by SPECT with 1-123, and reconstructed images were analyzed with 3D-SSP using an image-analysis software, iSSP ver. 3.5. Data on brain surface perfusion extracted by 3D-SSP analysis were compared between the PD patients and the normal control group. The same comparisons were made for subgroups of PD patients with severe symptoms, such as tremor, gait disturbance, bradykinesia, and the UPDRS motor score. Cerebral perfusion was decreased at the anterior cingulate cortex and occipital lobe of the PD patients compared with the normal controls. In the subgroups with severe gait disturbance and severe bradykinesia, additional hypoperfusion wa...Continue Reading

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