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Parkinsonism-Related Dementiasa 

Parkinsonism-Related Dementiasa
Parkinsonism-Related Dementiasa

Bradley F. Boeve

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date: 04 August 2021

The differential diagnosis for dementia is very wide, and the coexistence of parkinsonism with a slowly progressive course suggesting a degenerative cause narrows the differential diagnosis considerably. In patients with the combination of dementia and parkinsonism (often collectively termed the parkinsonism-related dementias), the 4 most common neurodegenerative entities are 1) the Lewy body dementias (which include dementia with Lewy bodies [DLB] and Parkinson disease with dementia [PDD]), 2) corticobasal syndrome (CBS) or corticobasal degeneration (CBD), 3) Richardson syndrome or progressive supranuclear palsy (PSP), and 4) frontotemporal dementia with parkinsonism (FTDP).

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