Genotyping for Apolipoprotein (APOE) ε-4, APOE ε-3, amyloid precursor protein (APP), presenilin PSEN1 and PSEN 2 genes may be helpful in the diagnosis of<unk> 's disease (AD), although it is not routinely recommended. They may be helpful in the diagnosis of<unk> 's dementia. However, genetic study is reserved for research purposes or for those who have presenile dementia.
Alzheimer's disease other diagnostic studies
Dementia other diagnostic studies
Parkinson's disease other diagnostic studies
Parkinson's disease differential diagnosis
Delirium other diagnostic studies
Dementia other imaging findings
Dementia laboratory findings
Amnesia other diagnostic studies