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A 24-year-old man had a three-year history of progressive muscle wasting and sensory loss in his arms, dysphonia, and dysphagia. During the previous five months, he had had several painless burns on his hands. He had no history of cranial or cervical trauma. He had marked atrophy of the right deltoid, biceps, and upper trapezius muscles and of the hypothenar eminence and dorsal interosseous muscles of the right hand. Biceps, triceps, and brachioradialis reflexes were bilaterally abolished. Sensitivity to pain and heat was lost in both arms, over the right side of the face, and over the chest and upper . . . [Full Text of this Article] |
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