1. A 75-year-old man is involved in a motor vehicle accident and strikes his forehead on the windshield. He complains of neck pain and severe burning in his shoulders and arms. His physical examination reveals weakness of his upper extremities. What type of spinal cord injury does this patient have?
A anterior cord syndrome B central cord syndrome C Brown-Séquard syndrome D complete cord transection E cauda equina syndrome ANS: B: Central Cord Syndrome the central cord syndrome involves loss of motor function that is more severe in the upper extremities than in the lower extremities, and is more severe in the hands. There is typically hyperesthesia over the shoulders and arms. Anterior cord syndrome presents with paraplegia or quadriplegia, loss of lateral spinothalamic function with preservation of posterior column function. Brown-Séquard syndrome consists of weakness and loss of posterior column function on one side of the body distal to the lesion with contralateral loss of lateral spinothalamic function one to two levels below the lesion. Complete cord transection would affect motor and sensory function distal to the lesion. Cauda equina syndrome typically presents as low back pain with radiculopathy.
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