Neuroanatomy USMLE Step 1 Practice Question
A 35-year-old man sustains a stab wound to the left side of his neck. On examination, he has right-sided arm and leg weakness (4/5), preserved pinprick sensation bilaterally, but diminished vibration and proprioception on the right. Vital signs: BP 128/82, HR 92, RR 16, temp 37°C, SpO2 98% on room air. MRI shows left-sided cervical spinal cord injury. Which spinal cord syndrome best describes this clinical presentation?
Answer choices
- ACauda equina syndrome
- BDorsal root syndrome
- CBrown-Séquard syndromeCorrect answer
- DPosterior cord syndrome
- EAnterior cord syndrome
- FCentral cord syndrome
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