J Korean Acad Rehabil Med.  2005 Jun;29(3):291-296.

Associated Sonographic Findings according to the Type and Severity of Rotator Cuff Tear

Affiliations
  • 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.

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.

Keyword

Ultrasonography; Rotator cuff tear; Subacromial-subdeltoid bursa; Cortical irregularity of greater tubercle

MeSH Terms

Bursitis
Incidence
Joints
Osteoarthritis
Rotator Cuff*
Tears*
Tenosynovitis
Ultrasonography*
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