Radiculopathy
Medical Author: Jason C. Eck, DO, MS
Medical Editor: William C. Shiel, Jr., MD, FACP, FACR
What is radiculopathy?
Radiculopathy is a condition due to a compressed nerve in the spine that can
cause pain, numbness,
tingling, or weakness along the course of the nerve. Radiculopathy can occur in
any part of the spine, but it is most common in the lower back (lumbar
radiculopathy) and in the neck (cervical radiculopathy). It is less commonly
found in the middle portion of the spine (thoracic
radiculopathy).
What are the risk factors for radiculopathy?
Risk factors for radiculopathy are activities that place
an excessive or repetitive load on the spine. Patients involved in heavy labor
or contact sports
are more prone to develop radiculopathy than those with a more sedentary
lifestyle. A family history of radiculopathy or other spine disorders also
increase the risk of developing radiculopathy.
What are the causes of radiculopathy?
Radiculopathy is caused by compression or
irritation of the nerves as they exit the spine. This can be due to mechanical
compression of the nerve by a disk herniation, a
bone spur (osteophytes) from
osteoarthritis, or from thickening of
surrounding ligaments.
Other less common causes of mechanical compression of the
nerves is from a tumor or infection. Either of
these can reduce the amount of space in the spinal canal and compress the
exiting nerve.
Scoliosis can cause the nerves on one side of the spine to become
compressed by the abnormal curve
of the spine.
Other causes of radiculopathy include diabetes which can
decrease the normal blood flow to the spinal nerves. Inflammation from trauma or degeneration can
lead to radiculopathy from direct
irritation of the nerves.
Next: What are the symptoms of radiculopathy? »
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