Spontaneous tendon ruptures in the hand.

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The authors reported twenty-four cases with spontaneous tendon ruptures in the hand, which were treated with surgical procedures between 1969 and 1983.Seventeen of the 24 cases were female and seven were male. The average age was 50 years with a range from 16 to 86 years. Right hands were involved in 15 cases, and left hands in 9. Twenty-three cases were extensor tendon ruptures and one was flexor tendon rupture. Nine cases of tendon ruptures were associated with rhematoid arthritis, 5 followed fracture of the radius or the first metacarpus, 4 resulted from osteoarthritis caused by Kienböck's disease or mal-union of the ulna, 3 followed contusion or sprain of the wrist, 2 resulted from overuse during the work and in one case the cause was not obvious.As a rule the ruptures were repaired by means of tendon transfer or graft. If necessary, resection or reconstruction of the distal ulna, synovectomy or excision of the lunate bone were combined with tendon repair.
西日本整形・災害外科学会の論文