Fig. 1From: Thoracic rhizotomy versus thoracic paravertebral nerve radiofrequency in thoracic cancer paina Oblique view showing entry point just caudal to the pedicle. b Needle as the end on view through the foramen. c Lateral view showing the needle tip within the foramen. d Contrast delineating the nerve root and epidural spread. e Contrast within the foramen in lateral viewBack to article page