| Associated Sonographic Findings according to the Type and Severity of Rotator Cuff Tear. |
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Park, Gi Young , Kim, Young Hyun , Lee, So Young , Lee, Sung Moon |
1Department of Rehabilitation Medicine, Dongsan Medical Center, Keimyung University College of Medicine, Korea. kyh1999@hanmail.net
2Department of Diagnostic Radiology, Dongsan Medical Center, Keimyung University College of Medicine, Korea. |
| 어깨 회전근개 파열 종류와 정도에 따른 초음파 동반 소견 |
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박기영, 김영현, 이소영, 이성문1 |
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계명대학교 의과대학 재활의학교실, 1진단방사선학교실 |
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| Abstract |
Objective
To determine the association between the type and severity of rotator cuff tear and ultrasonographic findings.
Method
Total 91 cases with rotator cuff tear were classified into partial- or full-thickness tear according to arthrographic and ultrasonographic findings. Partial-thickness tear was divided into the tear on the bursal or articular side. Full-thickness tear was divided into small (2 cm＜) or large (2 cm≧) tear by the length of retraction. Combined findings which included biceps tenosynovitis, subacromial-subdeltoid (SASD) bursitis, acromio-clavicular (AC) joint osteoarthritis and the cortical irregularity of greater tubercle (GT) were evaluated by ultrasonography.
Results
Sixty five cases (71.9%) were full-thickness tear and 26 cases (28.1%) were partial-thickness tear. Forty two cases (46.1%) were SASD bursitis, 33 cases (36.2%) were biceps tenosynovitis, 24 cases (26.3%) were cortical irregularity of GT, and 26 cases (28.5%) were AC joint osteoarthritis. The incidence of SASD bursitis was higher in full- thickness tear than partial-thickness tear. The SASD bursitis and cortical irregularity of GT were more frequently shown in large tear than small tear.
Conclusion
SASD bursitis showed higher association with full-thickness tear than partial-thickness tear. The length of retraction was more severe when SASD bursitis or cortical irregularity of GT was associated with full-thickness tear. (J Korean Acad Rehab Med 2005; 29: 291-296) |
| Key Words:
Ultrasonography, Rotator cuff tear, Subacromial-subdeltoid bursa, Cortical irregularity of greater tubercle |
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