A 42-year-old woman presents with involuntary jerking movements of her arms and legs that worsen with stress and improve during sleep. Family history is significant for similar symptoms in her mother and maternal grandfather. Genetic testing reveals an expanded CAG repeat. Which of the following is the most likely diagnosis?
- A)Chorea gravidarum
- B)Huntington diseaseGABARITO
- C)Essential tremor
- D)Sydenham chorea
- E)Tardive dyskinesia
Explicação
Huntington disease is an autosomal dominant neurodegenerative disorder caused by expanded CAG repeats in the HTT gene. It classically presents with chorea (involuntary jerking), psychiatric symptoms, and cognitive decline. Symptoms worsen with stress and impro... Ver explicação completa e trilha adaptativa →