Regional cerebral blood perfusion showed by 99m-TC-HMPAO SPECT re-dueced in cerebella and occipital lobe, basilar ganglion and occipital-temporal regions in both groups.

脑SPECT显像显示两组在小脑、枕叶、基底节、颞枕区等区域血灌注减低。

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Objective To explore the characteristics of neuropsychological tests and SPECT with 99mTc HMPAO of Alzheimer disease(AD) and their differential diagnostic value between AD and Parkinson's disease(PD).

目的研究阿尔茨海默病（AD）神经心理学测验、脑SPECT特征及与帕金森病（PD）的辅助鉴别诊断价值。

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