Sonography for diagnosis of rotator cuff tear: Comparison with observations at surgery in 58 shoulders

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Abstract
To investigate the correlation between ultrasonographic and anatomic changes of the rotator cuff of the shoulder, we studied the findings in 58 surgical cases. Fifteen cases had a full thickness tear, 10 of which had a positive and 5 a negative ultrasonogram. Nine cases had partial tears of the cuff on the bursal side. Ultrasonographically, 3 of these were normal. Among the 34 cases that proved to be normal at surgery, 9 had positive ultrasonograms. The predictive value of a negative examination was 0.8, whereas the predictive value of a positive examination was 0.6. A cautious attitude towards ultrasonography for evaluation of the rotator cuff seems appropriate.

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