What is the role of genetics in dementia with Lewy bodies (DLB)?

Updated: Aug 08, 2019
  • Author: Howard A Crystal, MD; Chief Editor: Jasvinder Chawla, MD, MBA  more...
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Answer

Rare cases of familial DLB have been reported. Overrepresentation of apolipoprotein E subtype 4 (ApoE4) genotype has been found in patients with DLB, but only in those whose disease has occurred concomitantly with Alzheimer disease.


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