A 58 year old man had progressive weakness over the past 8 months. Examination shows waekness and muscle atrophy in the upper and lower extremities. Muscle stretch reflex are decreased in upper extrimeties and increased in lower extremities. He has no sensory deficits. Which of the following findings is most likely?
A. Cystic lesion involving midline structure and both ventral horns in the cervical enlargement.
B. Demyelination of left corticospinal tract at all level of the cord.
C. Lesion of the left anterolateral quadrant at C2.
D. Loss of myelin in the dorsal column white matter.
E. Loss of myelin in the lateral column white matter and loss os ventral horn motoneurons.
Jackofknives Ipwnpoker.com
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09/18/07 - 07:23 AM
#2
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