Medial branch block (MBB) and Facet injections
These tow related procedures both use X-ray guidance to try and quell pain signals from diseased (arthritic) facet joints. The MBB targets the nerve to the joint called the medial branch, The facet joint injection actual requires a very
thin needle to enter the joint to inject numbing medicines and steroids. Both procedures are typically used to try to figure out the cause of back pain prior
to deciding on the best therapy.