case_images: PMC4018695_01
case_images: RF Needles Inserted at ala of the Sacrum and Lateral to S1, S2 Foramen, Other Needles Were Placed Similarly.
case_images: aapm-01-191-g001.jpg
case_images: PMC4018695_01_aapm-01-191-g001.jpg
case_images: fig8498
case_images: Figure 1 shows needles being injected at L5 medial branch nerve and lateral branch of S1 and S2 nerves, another needle is targeted at 0.5 cm above to S1 lateral branch for bipolar technique.