Movement Disorders USMLE Step 1 Practice Question
A 68-year-old man with no family history presents with asymmetric akinesia, rigidity on the more affected side, and progressive cortical sensory loss. He develops apraxia and alien hand phenomenon on the less affected side. Brain MRI shows asymmetric cortical atrophy of the motor cortex. Which of the following is the most likely diagnosis?
Answer choices
- AParkinson disease
- BAsymmetric stroke
- CMultiple system atrophy
- DCorticobasal degenerationCorrect answer
- EProgressive supranuclear palsy
- FPrimary progressive aphasia
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