03-24-2007, 04:40 PM
35 year old woman comes to the physician because of intermittent tingling and numbness of her feet during the past 6 months. She has a 30 year h/o of typer 1 DM. sensation of joint postion is decreased in the toes and ankels, and vibration sense is decreased in the feet. There are decreased ankel jerks bilaterally. pathologic changes of which occur?
a. dorsal columns of the spinal cord.
b. large diameter axons of the distal portions of perpheral nerves
c.motoneruons of the lumbosacral spinal cord
d.spinocerebellar tracts of the spinal cord
e.spinothalamic tract neurons of the dorsal horn.
a. dorsal columns of the spinal cord.
b. large diameter axons of the distal portions of perpheral nerves
c.motoneruons of the lumbosacral spinal cord
d.spinocerebellar tracts of the spinal cord
e.spinothalamic tract neurons of the dorsal horn.