Distal Scaphoid Resection Arthroplasty for Scaphoid Nonunion with Degenerative Arthritis.

概要

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The treatment of scaphoid nonunion poses a challenging clinical problem. This problem is particularly substantial in the case of associated dorsal intercalated segmental instability collapse (DISI), radiocarpal degenerative changes, and poor scaphoid bone quality. We herein report two cases of symptomatic scaphoid nonunion, degenerative arthritis between the distal scaphoid fragment and radial styloid, with midcarpal degenerative changes treated by excision of the distal scaphoid fragment. Both patients had pain relief, and improved range of motion and grip strength. Carpal collapse and DISI deformity remained unchanged, at least in our short period of follow-up. The operation which is simple and requires a short period of immobilization can be considered a surgical option for scaphoid nonunion with degenerative arthritis.
西日本整形・災害外科学会の論文