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This disease is associated with spinal stenosis, but it differs because
it primary affects one or more vertebral foramen. Normally, nerve roots
have enough room to easily slip through the foramen. However, with
age and disease, the neuroforamen may become clogged with debris. The
nerves can become trapped and compressed.
The symptoms of foraminal stenosis may include numbness, weakness,
burning sensations, tingling, and pins and needles in the involved
extremity, such as the leg. Not every stenosis is critical, but if
spinal stenosis is ignored, nerves may die, which could result in a
loss of function. The functional loss could involve the ability to
feel (sensory) and/or move (motor).
If conservative forms of treatment are unsuccessful, surgery is an
option. The procedure is termed a foraminotomy.
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