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RF) rhizotomy or neurotomy is a therapeutic procedure
designed to decrease and/or eliminate pain symptoms arising from degenerative facet joints within the spine. The procedure involves denaturation of proteins in the nerves with highly localized heat generated with radiofrequency thus functionally destroying the nerves that innervate the facet joints. By destroying these nerves, the communication link that signals pain from the facet joint to the brain can be broken. The onset of lumbar facet joint pain is usually insidious, with predispos- ing factors including degenerative disc pathology and old age.