Fluoroscopy Guided Lumbar Facet Joint Injection Versus Ultrasound Guided Injection in Patients With Low Back Pain Due to Facet Syndrome

Inclusion Criteria: * Patients, more than 18 years old, with pain associated with lumbar hyper-extension, lateral flexion, and tenderness on paravertebral regions corresponding to facet joints but normal findings on the straight leg raise test and neurologic examination. Exclusion Criteria: * Patient refusal and lack of consent. * Local or systemic infection. * allergy to steroids or local anesthetics * Patients with coagulopathies. * Evidence of nerve root compression at the expected level on MRI. * Pregnant patients