case_images: PMC4904596_01
case_images: PMC4904596_02
case_images: PMC4904596_03
case_images: Fluoroscopic images of three cases. (a) and (b) show anteroposterior (AP) and lateral views, respectively, of case  1. (c) and (d) show AP and lateral views, respectively, of case  2. (e) and (f) show AP and lateral views, respectively, of case  3. Black arrowheads indicate the catheter inserted through a Tuohy needle.
case_images: PRM2016-5461989.001.jpg
case_images: PMC4904596_03_PRM2016-5461989.001.jpg
case_images: fig1
case_images: Fluoroscopic views of the operating procedures are shown in Figure 1.