Huntington disease: Revision history

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    5 May 2025

    • curprev 16:4016:40, 5 May 2025Cole Ettingoff talk contribs 3,016 bytes +3,016 Created page with "==Background== Huntington disease (HD) is a progressive, autosomal dominant neurodegenerative disorder caused by CAG trinucleotide repeat expansion in the HTT gene on chromosome 4. Onset typically occurs between ages 30 and 50. HD is characterized by a triad of movement abnormalities, psychiatric symptoms, and cognitive decline. While not usually a diagnosis made in the ED, patients with known HD often present with behavioral disturbances, injuries from falls, or complic..."