Comparative Study of Ultrasound and MRI In Assessing Rotator Cuff Tear
Journal Title: International Journal of Contemporary Medicine surgery and Radiology - Year 2017, Vol 2, Issue 3
Abstract
Introduction: Shoulder pain is one of the most common problems presenting in orthopedic outpatient clinics. Rotator cuff pathology is the most common cause of shoulder pain. Both ultrasound and MRI are widely used to assess rotator cuff pathology. Accurate detection of site and size of rotator cuff tear is crucial for decision making and further management. The aim of this study was to assess the accuracy of ultrasound in detecting and evaluating the morphology and extent of rotator cuff tears as compared to MRI. Material and Methods: Thirty five patients with clinical suspicion of rotator cuff tear who were referred for shoulder MRI were taken for the study. Our institute human ethical committee clearance was obtained. High resolution ultrasound was done for all the referred cases before MRI of the shoulder. Both ultrasound and MRI was done by the same radiologist to minimize interobserver variation. Results: Out of 35 patients undergoing ultrasound, 12 had partial tear, 6 had complete tear and 13 had tendinopathy involving supraspinatus tendon. When compared to MRI ultrasound had sensitivity, specificity and diagnostic accuracy of 86%, 86% and 91% for complete tear and 75%, 95% and 86% for partial tear and 93%, 81% and 86% for tendinopathy respectively. Conclusion: Ultrasound has comparable accuracy with MRI for identifying rotator cuff tear. Though it’s difficult to differentiate high grade partial tear from complete tear, Ultrasound can be used as screening modality to detect rotator cuff integrity since it is easily available and cost effective. MRI should be done as a preoperative work up.
Authors and Affiliations
Shylaja Prashanth, Satish Prasad, Nisha P, Suresha B, Nataraj A R
Keywords
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