Tremor, Tics, & Other Hyperkinetic Disorders

Neurology Board Preparation > Parkinson's & Other Movement Disorders > Hyperkinetic Movement Disorders

Q. A 40-year old patient presents with involuntary jerky movements that flow from one body part to another. He reports that his father died of a chronic progressive alcoholism in which he deteriorated over 10 to 20 years with neuropsychiatric manifestations but curiously the patient doesn't ever remember seeing him drink alcohol. You are worried the patient has Huntington's disease. Which of the following would support your diagnosis?

CTG repeat disorder of 50 repeats on chromosome 13
CAG repeat disorder of 20 repeats on chromosome 13
CTG repeat disorder of 20 repeats on chromosome 4
CAG repeat disorder of 50 repeats on chromosome 13
CTG repeat disorder of 20 repeats on chromosome 4
CAG repeat disorder of 50 repeats on chromosome 4
Log In or Start Your Free Trial
to view the answer.