抄録
Two cases of rotator cuff tear caused by large subacromial spur are presented.
Case 1. A 59-year-old farmer developed night pain in the right shoulder during four months. Plain roentgenogram showed large subacromial spur, but only sonogram could be detected bursal side partial thickness rotator cuff tear. Surgery was performed at which 15 x 10 mm bursal side incomplete tear was found in the supraspinatus tendon. Wedge resection and side to side suture following anterior acromioplasty was carried out.
Case 2. A 56-year-old carpenter struck on h is right shoulder and increased insidious pain for six months. Large subacromial spur was showed on plain roentgenogram and massive cuff tear was revealed by arthro- and sonogram. At surgery it was found that anterior edge of 20 x 40 mm spur attenuated torn cuff end. Tear was repaired with McLaughlin technique after anterior acromioplasty.
