Fig. 7.

Case 5 (L.R.G.) showed a periprosthetic osteolysis at the radial screw, an improper fusion of the carpal bones and clinically characterized by pain without reduction of the range of motion at 2 years after surgery. In this case, a revision has been performed a revision with replacement of the polyethylene implant and the distal anchoring screws, as well as a fusion between the bones of the carpus and between carpal–metacarpal joints; the prosthesis is implanted to date, and clinically silent.