Nonprofit association dedicated to furthering research on pain and improving the care of patients with pain. Based in Seattle, Washington. www.iasp-pain.org/
A systematic review illustrates that lumbar provocation discography performed according to the International Association for the Study of Pain (IASP) criteria may be a useful tool for evaluating chronic lumbar discogenic pain. The evidence is weaker for cervical and nonexistent for thoracic discography 1).