Differential diagnosis of early Alzheimer’s disease

摘要: The concept of Alzheimer type dementia, as used today, does not imply a homogeneous group dementias. There is no scientific basis for sampling the presenile form, Alzheimer’s disease (AD), with senile dementia (SDAT). rare form AD seems to be fairly homogeneous. SDAT much more common than and is, evidently, heterogeneous group. differentiation subgroups made by thorough clinical investigation, brain imaging techniques analysis cerebrospinal fluid blood. Data indicate that cortical disorder, while also involves subcortical areas. between secondary dementias, such vitamin B 12 deficiency leukoaraiosis, difficult. assumed include forms normal aging cognitive impairment.