Dementia due to Huntington disease (Q40237): Difference between revisions
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Demência devida a doença de Huntington ocorre como parte de uma degeneração generalizada do cérebro causada por uma expansão de repetição de trinucleotídeos no gene HTT, que é transmitida de forma autossômica dominante. O início dos sintomas é insidioso, tipicamente na terceira e quarta décadas de vida, com progressão lenta e gradativa. Os sintomas iniciais tipicamente incluem comprometimentos em funções executivas com relativa preservação da memória, antecedendo o início dos déficits motores (bradicinesia e coréia) característicos da doença de Huntington. | |||
| description / en | description / en | ||
Dementia due to Huntington disease occurs as part of a widespread degeneration of the brain due to a trinucleotide repeat expansion in the HTT gene, which is transmitted through autosomal dominance. Onset of symptoms is insidious typically in the third and fourth decade of life with gradual and slow progression. Initial symptoms typically include impairments in executive functions with relative sparing of memory, prior to the onset of motor deficits (bradykinesia and chorea) characteristic of Huntington disease. | |||
Revision as of 05:57, 13 August 2026
Dementia due to Huntington disease occurs as part of a widespread degeneration of the brain due to a trinucleotide repeat expansion in the HTT gene, which is transmitted through autosomal dominance. Onset of symptoms is insidious typically in the third and fourth decade of life with gradual and slow progression. Initial symptoms typically include impairments in executive functions with relative sparing of memory, prior to the onset of motor deficits (bradykinesia and chorea) characteristic of Huntington disease.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 6D85.1 |
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| English | Dementia due to Huntington disease |
Dementia due to Huntington disease occurs as part of a widespread degeneration of the brain due to a trinucleotide repeat expansion in the HTT gene, which is transmitted through autosomal dominance. Onset of symptoms is insidious typically in the third and fourth decade of life with gradual and slow progression. Initial symptoms typically include impairments in executive functions with relative sparing of memory, prior to the onset of motor deficits (bradykinesia and chorea) characteristic of Huntington disease. |
