Rhizotomies are often performed after other kinds of treatment have not been effective. Usually, facet injections are typically given to a patient before a rhizotomy is considered. These injections can provide helpful information for your doctor, and successful facet injections may indicate that you could benefit from a rhizotomy.
During the rhizotomy treatment, an electrode is passed through the skin to the nerves that surround the facet joint. A radiofrequency current is then applied, which deadens the nerves causing pain.