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Parent Node:
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neurodegenerative disease with dementia (MONDO:0020136)
..Starting node
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primary progressive aphasia ()

       Child Nodes:
........expandGrn-related frontotemporal lobar degeneration with Tdp43 inclusions ()
........expandLogopenic progressive aphasia ()



 Sister Nodes: 
..expandamyotrophic lateral sclerosis-parkinsonism-dementia complex ()
..expandfrontotemporal degeneration with dementia ()
..expandgenetic neurodegenerative disease with dementia ()
..expandhuman prion disease ()
..expandprimary progressive aphasia ()
   

MONDO is developed by the Monarch Initiative. Human Disease MESH is developed by UMLS.
Further data from MedGen, OMIM,ClinVar, CTD
Term ID:19806
Name:primary progressive aphasia
Definition:Primary progressive aphasia (PPA) is a neurodegenerative disorder, characterized by a primary dissolution of language, with relative sparing of other mental faculties for at least the first 2 years of illness. PPA is recognized as the language variant in the frontotemporal dementia (FTD; see this term) spectrum of disorders. PPA can be classified into 3 subtypes based on specific speech and language features: semantic dementia (SD), progressive non-fluent aphasia (PNFA) and logopenic progressive aphasia (lv-PPA) (see these terms).
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Synonyms:Mesulam syndrome; PPA; primary progressive aphasia syndrome
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Reference: MedGen:
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