Quiz 07/24/2022 (3)

A 42-year-old woman with multiple sclerosis presents to the ER after having worsening confusion over a few days with worsening weakness and vision loss. She was on natalizumab for years and her most recent JCV antibody titer was negative. She has missed several months of infusions due to her helping a sick relative. Her MRI shows multiple new T2 hyperintensities with enhancement in the periventricular and subcortical white matter. What is the most likely diagnosis?

A 68-year-old male with a 10-year history of Parkinson’s disease comes to the clinic for routine follow-up. He currently is taking levodopa/carbidopa, entacapone, and ropinirole. The patient is complaining of significant dyskinesias and unpredictable motor fluctuations between doses of levodopa/carbidopa. What is the most appropriate next best step in management?

According to the Bouthillier Classification, which segment of the internal carotid artery is colored below in orange in this sagittal angiogram?

Gaucher disease is caused by a homozygous mutation in the GBA gene which encodes the enzyme beta-glucocerebrosidase. Which of the following neurologic disorders is also linked to mutations, both homozygous and heterozygous, in the GBA gene?

You are caring for a patient with Lewy body dementia who is having difficulty with myoclonic jerks. Which of the following is considered the first-line treatment for cortical myoclonus?