1981•Orthopedics & TraumatologyOpen access
Untitled research work
T. Futami, Yukio Tsukamoto, Yukitaka Yamashita, H. Sunabe, Katsumi Iizuka
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Abstract
Traumatic dislocation of the extensor tendon at the metacarpophalangeal joint in the hand is uncommon, but when it occurs, it is usually in the long finger.We had experiences of 4 cases of this lesion, in which 3 cases in the long finger and 1 case in the index finger. Three cases of them were treated operatively with good results, whereas 1 case which occurred in the index finger was treated non-operatively with still complaining some residual symptoms.At operation, obvious injuries of radial intertendinous fascia at the MP joint were observed in all cases.The experimental results of our biomechanical studies show that the extensor tendon of the long finger have a tendency to dislocate more easily than that of index finger or ring finger.
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