Interstitial tears of the rotator cuff: difficulty in preoperative diagnosis

Few studies have investigated the characteristic findings of preoperative magnetic resonance imaging (MRI) and the clinical and radiologic outcomes of interstitial tear of the rotator cuff treated with arthroscopic repair after tear completion. Forty-one patients (14 men and 27 women; mean age, 56.5...

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Bibliographic Details
Published in:Journal of shoulder and elbow surgery 2018-03, Vol.27 (3), p.487-492
Main Authors: Kim, Hwan Jin, Park, Ji Seon, Kim, Jung Youn, Kee, Young Moon, Rhee, Yong Girl
Format: Article
Language:English
Subjects:
arthroscopy
concealed lesion
interstitial tear
partial-thickness rotator cuff tear
rotator cuff repair
Shoulder
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Summary:Few studies have investigated the characteristic findings of preoperative magnetic resonance imaging (MRI) and the clinical and radiologic outcomes of interstitial tear of the rotator cuff treated with arthroscopic repair after tear completion. Forty-one patients (14 men and 27 women; mean age, 56.5 years) with arthroscopically confirmed interstitial tears underwent single-row repair after tear completion. The minimum follow-up period was 2 years. Twenty-eight patients (68.3%) were properly evaluated with MRI before surgery. Seven cases (17.1%) were misdiagnosed as bursal-sided tears and 5 cases (12.2%) were misdiagnosed as articular-sided tears on the basis of presurgical MRI findings. Arthroscopy revealed fibrillation and dimpling of the tendon surface in all cases and congestion within the defect in 36 cases (87.8%). At the final follow-up, the visual analog scale score for pain during motion decreased to 0.8 from a preoperative mean of 6.1 (P 
ISSN:1058-2746
1532-6500
DOI:10.1016/j.jse.2017.09.005