Cooled Radiofrequency Ablation of a Large Sciatic Neuroma at the Infrapiriformis Foramen for Recalcitrant Phantom Limb Pain in a Below-Knee Amputee. Issue 1 (25th May 2020) - Sperry, Beau P; Cheney, Cole W; Conger, Aaron; Shipman, Hank; McCormick, Zachary L