Unlabelled: The aim of this study was to evaluate the accuracy of simple radiography, ultrasound and magnetic resonance imaging (MRI) in diagnosing rotator cuff injuries, comparing their findings with open or arthroscopic surgery findings.
Methods: Protocols of the Shoulder and Elbow Surgery Service for patients undergoing surgical treatment for rotator cuff injuries diagnosed by means of radiography, ultrasound and/or MRI between 2002 and 2007 were evaluated. Based on the data gathered, we analyzed the sensitivity, specificity, positive predictive value, negative predictive value and accuracy of these complementary examinations, compared with the findings during the surgical procedures.
Results: This study included 147 patients with a mean age of 46.09 years. All the patients had undergone a radiography examination, 101 had undergone ultrasound examination and 72 had undergone MRI. We found sensitivity of 13.8%, specificity of 2.6% and accuracy of 30% with radiography; sensitivity of 57.6%, specificity of 29.6% and accuracy of 51.4% with ultrasound; and sensitivity of 86.6%, specificity of 22.2% and accuracy of 63.3% with MRI.
Conclusion: Radiography was found to be a specific examination when the mirror sign was present. MRI and ultrasound were shown to be reliable methods with high accuracy for diagnosing rotator cuff injuries.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4799092 | PMC |
| http://dx.doi.org/10.1016/S2255-4971(15)30430-4 | DOI Listing |
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