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Journal of the Korean Academy of Rehabilitation Medicine 2005;29(3):291-296.
Associated Sonographic Findings according to the Type and Severity of Rotator Cuff Tear.
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
박기영, 김영현, 이소영, 이성문1
계명대학교 의과대학 재활의학교실, 1진단방사선학교실
To determine the association between the type and severity of rotator cuff tear and ultrasonographic findings.
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.
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.
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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