Ultrasound-guided Versus Computed Tomography Fluoroscopy-assisted Cervical Transforaminal Steroid Injection for the Treatment of Radicular Pain in the Lower Cervical Spine

To estimate the contrast dispersion short-term clinical efficacy and safety of ultrasound (US)-guided transforaminal steroid injection (TFSI) compared with computed tomography (CT) guidance for the treatment of cervical radicular pain.