Glossary – R
radial: On the side of the radius which is the arm bone nearest the thumb.
radiculopathy: Pain, numbness, and weakness in the distribution of a spinal nerve.
radiofrequency lesion: A lesion of the nerve carried out with the controlled heat that is actuated by the administration of radiofrequency energy down a specialized needle.
RBRVS: Resource-Based Relative Value Scale. A federal-government-based method of assessing the work and training involved in a medical procedure for the purpose of proposing an appropriate relative charge or a price for the medical procedure.
referred pain: Pain experienced at a location different from the injury causing the pain, usually due to neurologic relationships in the spinal cord.
reflex sympathetic dystrophy: Abnormality of the autonomic nervous system causing burning pain, temperature and color changes in the skin, often associated with nerve irritation and nerve injury – see also Complex Regional Pain Syndrome.
reinnervation: The arrival of a new nerves to replace damaged nerves for the supply of muscle and skin.
rejection, immune: An attack by the body on an implant.
relative value units (RVUs): A numerical system for describing the value of a medical procedure for the purpose of assigning a price or charge.
resorbable suture or implant: Meant to be dissolved naturally by the body.
retroperitoneal: Tissues in the space between the posterior body wall and the peritoneal cavity (containing the intestines).
retrospective review: An analysis of outcome or success with a medical treatment based on reviewing medical records that were prepared without prior plan for carrying out research or a study.
Rolfing: A type of manual treatment for health and/or to relieve pain.
rootlets: The small initial branches of nerves arising in the spinal cord that join together to form nerve roots and ultimately peripheral nerves.