What is the differential diagnosis for dementia with Lewy bodies (DLB)?

Updated: Sep 24, 2018
  • Author: Stephen M Bloomfield, MD; Chief Editor: Selim R Benbadis, MD  more...
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Parkinson disease is the main entity to be considered. Alzheimer disease in combination with extrapyramidal signs may resemble DLB. Neuroimaging is not especially helpful in making the differential diagnosis. While occipital hypometabolism is a characteristic feature on PET scans, [45, 46] Cordery et al showed that this is not always present. [47]

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