Though uncommon, when present it is accompanied with neurological manifestations in the upper extremities, rarely the signs of spinal cord compression may be present.
The disc ruputre may occur as a result of intrinsic changes in the disc substance or as a result of an injury. A part of gelatinous nucleus pulposus extrudes through a rent in the annulus fibrousus at the weakest part of the cervical spine. The C5-C6 or C6-C7 intervertebral levels are the common sites of the disc protrusion.
The protrusion may be:
The symptoms may be present in the neck and/or upper limb.
A clinical and neurological examination with emphasis on the movements of neck, arm muscle bulk, sensory status and reflexes will provide information regarding the extent, site and nature of the pathology.