However a nerve root comes out of the spinal column between C7 and T1, hence C8 as T1 already exists. The human body has 8 cervical nerve roots, for 7 cervical vertebrae and this may seem confusing at first. If peripheral radiation of pain, weakness, or pins and needle are present, the location of the pain will follow back to the concerned affected nerve root Clinically Relevant Anatomy Most of the time cervical radiculopathy appears unilaterally, however it is possible for bilateral symptoms to be present if severe bony spurs are present at one level, impinging/irritating the nerve root on both sides. Those can be compression, irritation, traction, and a lesion on the nerve root caused by either a herniated disc, foraminal narrowing, or degenerative spondylitic change (Osteoarthritic changed or degeneration) leading to stenosis of the intervertebral foramen.
This impingement typically produces neck and radiating arm pain or numbness, sensory deficits, or motor dysfunction in the neck and upper extremities." Ĭervical radiculopathy occurs with pathologies that cause symptoms on the nerve roots. "Cervical radiculopathy is a disease process marked by nerve compression from herniated disk material or arthritic bone spurs.
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