Abstract

Thompson's surgical procedure was carried out on 4 cases of post traumatic swan neck deformity. The mean time from injury to surgery was 88 months, and that following surgery was 26 months, ranging from 8 months to 6 years. Reconstruction of the oblique retinacular ligament was performed with the palmalis longus tencion used as a free tendon graft.In all the cases, the swan neck deformity was corrected. The mean extension of the PIP joint was 36 degrees before surgery, improving to -4 degrees ranging from -12 to 0 degrees during follow up. The mean extension lag of the DIP joint was 32 degrees, improving to -5 degrees ranging from -21 to 0 degrees during follow-up.Thompson's procedure is useful for correcting such post traumatic swan neck deformity.

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