Percutaneous fixation of scaphoid fracture. A, Joysticks and antiglide wires are maintained during drilling and dorsal implantation of screw. B and C, Fluoroscopy confirms placement of headless compression screw. (From Slade JF III, Gutow AP, Geissler WB: Percutaneous internal fixation of scaphoid fractures via an arthroscopically assisted dorsal approach, J Bone Joint Surg 84A[Suppl 2]:21, 2002.) SEE TECHNIQUE 69.8.