What are the signs and symptoms of 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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Answer

Answer

The clinical features may depend on the underlying form of the disease. In the common form, dementia is the prominent feature, while in the pure form, parkinsonian features are more prominent initially. Approximately 20% of patients do not have any parkinsonian features. Neuropsychological deficits that have been described include aphasia, dyscalculia, and apraxia. A psychotic state develops in approximately 20% of patients. Depression, auditory and visual hallucinations, and paranoid ideation may occur. These patients are more likely to have cognitive adverse effects with levodopa therapy in early stages than patients with Parkinson disease.


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