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Materials and methods 107 patients underwent MRI and SPECT using HMPAO at the Department of Radiology and Nuclear Medicine of AHEPA University Hospital. Our patients based on clinical diagnosis were categorized into 3 groups: a) Neurodegenerative dementia (ND) consisted of 61 patients (mean age71±9) with Alzheimer's disease (AD), frontotemporal dementia (FTD), dementia with Lewy bodies (DLB) and mixed dementia, b) Vascular cognitive impairment VCI consisted 27 patients (mean age 70±7), and c) Normal group included 19 persons (mean age 64±7).

The contribution of brain perfusion SPECT and magnetic resonance imaging in early diagnosis of neurodegenerative dementia