A 65-year-old patient presents with rapidly progressive dementia, visual hallucinations, and parkinsonian features. What is the most likely diagnosis?
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Correct answer: Dementia with Lewy Bodies (DLB)
Dementia with Lewy Bodies is clinically distinguished from Parkinson disease by the onset of dementia within one year of motor symptoms. Visual hallucinations and fluctuating levels of attention are key diagnostic clues.
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