抄録
Subuctaneous tendon ruptures in the hand are fairly not rare. Fifteen cases of tendon ruptures of the hand were treated during 1976 to 1981 at the Kokura Memorial Hospital.
In this paper, the etiology, site, mechanism of onset and method of treatment of these tendon ruptures is discussed.
Five of the 15 patients were male and ten were female. Tendon ruptures in left hand were four and in right hand were eleven. 10 cases were extensor tendon ruptures and 5 were flexor tendon ruptures.
Thirteen of the 15 patients were treated with surgical procedures.
The tendon ruptures were associated with rheumatoid arthritis in five cases, 2 resulted from dorsal dislocation of the distal head of the ulna, 2 followed tenosynovitis caused by repeated active flexion during work, 2 were caused by sudden forced hyperextension and 3 were caused by Colles' fracture.
All of the extensor tendon ruptures were over the dorsum of the wrist, where the tendons had been weakened by trauma or disease.
In acute cases, repairs were made with bridge tendon grafts, Whereas in chronic cases the method was tendon transfer.
The flexor tendon ruptures occurred at the site of insertion of the tendon in 2 cases and sudden hyperextension of the involved finger was probably responsible for the injury.
3 of the cases of flexor tendon rupture occurred within the tendon itself, the involved digit being the little finger or thumb and occurred where the direction of muscle contraction and tendon excursion was different.
In these cases, attrition of the tendon probably preceded the rupture.
