Correlation between Severity of Dementia and Decreased Cerebral Blood Flow in Alzheimer’s Disease and Senile Dementia of the Alzheimer’s Type
Although Alzheimer’s disease (AD) and “senile dementia” of the Alzheimer’s type (SDAT) are separated by some neurologists and psychiatrists according to the age of onset (i.e.; before or after age 65), this view remains controversial and has not been confirmed by all investigators. The neurological basis for this difference also remains undetermined.1,2 The purpose of this study was to investigate the relationships between the perfusion defects and age at onset, as well as the severity of dementia in patients with dementia of the Alzheimer’s type (DAT) and to assess the difference between AD and SDAT from the neuroradiological aspects.
KeywordsSingle Photon Emission Compute Tomography Perfusion Defect MMSE Score Regional Cerebral Blood Flow Senile Dementia
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