What is the relationship between dementia with Lewy bodies (DLB) and Alzheimer disease?

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

Up to 40% of patients with Alzheimer disease have concomitant LBs. These mixed cases are sometimes called the LB variant of Alzheimer disease (LBV-AD) and represent an overlap syndrome between DLB and Alzheimer disease. Signs and symptoms of LBV-AD also overlap between DLB and Alzheimer disease. [7]


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