Fig. 1From: Ultrasound-guided fluoroscopic-verified trans-foraminal lumbar dorsal root ganglion pulsed radiofrequency modulation for radicular pain relief: clinical and cadaveric evaluation of the techniqueAxial inter laminar sonogram of cadaveric lumbar vertebra shows shadow of spinous process (SP), transverse process (TP), articular process (AP), and duraBack to article page