Thermographic Images as an Objective Method for Assessing the Efficacy of Steroidal Epidural Injections

Inclusion Criteria: * Signed a valid, IRB/EC-approved informed consent form * 18 years of age or older when written informed consent is obtained * Diagnosis of spinal stenosis by MRI or CT imaging Exclusion Criteria: * Sensitivity to local anesthetics * Skin infection at the site of needle insertion * Had evidence of a peripheral neuropathy * Had clinical signs of peripheral vascular disease * Patient is pregnant * Clinical diagnosis of blood clotting disorder * Tumor or infection at spine as demonstrate at MRI Unbalanced Cardiac Insufficiency, hypertension \& Diabetes cataract Stomach Ulcer