Semantic dementia

rare

Semantic dementia (SD) is a form of frontotemporal dementia (FTD), characterized by the progressive, amodal and profound loss of semantic knowledge (combination of visual associative agnosia, anomia, surface dyslexia or dysgraphia and disrupted comprehension of word meaning) and behavioral abnormalities, attributable to the degeneration of the anterior temporal lobes.

Identifiers: MONDO:0010857 OMIM:600274 Orphanet:100069
Part of: Behavioral variant of frontotemporal dementia Progressive non-fluent aphasia
Also known as: dementia, frontotemporal · dementia, frontotemporal, with or without parkinsonism · frontotemporal dementia · FTD · semantic primary progressive aphasia

Subtypes

All diseases Rare only

Disease	ID	Subtypes
Frontotemporal dementia, right temporal atrophy variant	MONDO:0017399

Rare disease

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