投球障害肩の超音波診断<BR>－前上方関節包を中心に－

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  • Ultrasonographic evaluation of anterosuperior corner injury in the shoulder

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Background: Shoulder pain and injuries are common in throwing athletes. Ultrasonography(US) is well suited to evaluate the soft tissue of the shoulder and plays an important role for screening. The purpose of this study was to evaluate findings of US images in throwing athletes who were treated for anterosuperior corner injury (SLAP lesion, middle glenohumeral ligament (MGHL) injury, etc) confirmed at arthroscopy.<BR>Methods: We treated 19 athletes, (17 men, 2 women) with a clinical diagnosis of SLAP lesion and tear or elongation of MGHL, using suture anchor in 2010. In this study, pre and postoperative US evaluation of these patients were reviewed retrospectively. Our equipment was LOGIQ e (GE medical system) with 9.0MHz microconvex-type probe. Rotator Interval and anterosuperior labrum between humeral head and coracoid process was investigated with the long axis plane. The mean age of subjects was 24.2 years old ranging from 16 to 45. Acute traumatic cases were excluded in the present study.<BR>Results: A low echoic spot was found between humeral head and coracoid process in 17 cases. Comparing this to the arthroscopic findings, a low echoic spot at the anterosuperior corner may show some correlation with injury of MGHL, SLAP lesion, inflammation or tear of anterior-superior capsule and the synovium of the rotator interval.<BR>Conclusion: Additional work is necessary to further define objective radiographic evidence.

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  • 肩関節

    肩関節 36 (2), 319-321, 2012

    日本肩関節学会

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