DIAGNOSTIC AND THERAPEUTIC FEATURES OF FACET AND SACROILIAC JOINT INJECTION - ANATOMY, PATHOPHYSIOLOGY, AND TECHNIQUE

A diagnosis of exclusion facet syndrome is considered one of the many genuine causes of low back pain. Using careful patient selection, perc utaneous facet joint block is a useful diagnostic and therapeutic proc edure in the management of lumbar facet syndrome. Sacroiliac joint syn drome appears to be a more tangible entity diagnostically and more ame nable to injection. This article addresses the anatomy, pathophysiolog y, and salient radiographic features of the apophyseal joint, and desc ribes the procedures and techniques for facet as well as sacroiliac jo int injection.