期刊
SEMINARS IN NEUROLOGY
卷 33, 期 4, 页码 365-385出版社
THIEME MEDICAL PUBL INC
DOI: 10.1055/s-0033-1359320
关键词
young-onset dementia; early-onset dementia; neurodegenerative disease; dementia; reversible
资金
- NIH/NIA Indiana Alzheimer Disease Center [P30 AG10133]
Young-onset dementia is a neurologic syndrome that affects behavior and cognition of patients younger than 65 years of age. Although frequently misdiagnosed, a systematic approach, reliant upon attainment of a detailed medical history, a collateral history, neuropsychological testing, laboratory studies, and neuroimaging, may facilitate earlier and more accurate diagnosis with subsequent intervention. The differential diagnosis of young-onset dementia is extensive and includes early-onset forms of adult neurodegenerative conditions including Alzheimer's disease, vascular dementia, frontotemporal dementia, Lewy body dementias, Huntington's disease, and prion disease. Late-onset forms of childhood neurodegenerative conditions may also present as young-onset dementia and include mitochondrial disorders, lysosomal storage disorders, and leukodystrophies. Potentially reversible etiologies including inflammatory disorders, infectious diseases, toxic/metabolic abnormalities, transient epileptic amnesia, obstructive sleep apnea, and normal pressure hydrocephalus also represent important differential diagnostic considerations in young-onset dementia. This review will present etiologies, diagnostic strategies, and options for management of young-onset dementia with comprehensive summary tables for clinical reference.
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