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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Comparison of sonography and MRI for diagnosing epicondylitis.
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Comparison of sonography and MRI for diagnosing epicondylitis.

机译：超声检查与MRI诊断上con炎的比较。

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PurposeThe aim of this prospective study was to compare the sensitivity and specificity of sonography with those of MRI in evaluating epicondylitis.MethodsThe affected elbows of 11 patients with suspected epicondylitis were examined sonographically, and the contralateral (normal) elbow was also examined for comparison. In 10 of these patients, the affected elbow was also examined with MRI. In addition, both elbows of 6 volunteers without epicondylitis were examined sonographically; 1 elbow of each volunteer was designated as the "test" elbow and was examined with MRI. The sonograms of the patients' affected elbows and the volunteers' test elbows were paired with the sonograms of the contralateral elbows for comparison and were randomly shown twice to 2 readers. These readers, working independently and without knowledge of the findings of MRI, were instructed to state whether each elbow was normal or affected by epicondylitis. The MRI scans were then shown to the readers for similar review.ResultsSonographic features of epicondylitis included outward bowing of the common tendon, presence of hypoechoic fluid subadjacent to the common tendon, thickening, decreased echogenicity, and ill-defined margins of the common tendon. Sensitivity for detecting epicondylitis ranged from 64% to 82% for sonography and from 90% to 100% for MRI. Specificity ranged from 67% to 100% for sonography and from 83% to 100% for MRI.ConclusionsSonography is as specific but not as sensitive as MRI for evaluating epicondylitis. Used as an initial imaging tool, sonography might be adequate for diagnosing this condition in many patients, thus allowing MRI to be reserved for patients with symptoms whose sonographic findings are normal.
机译：目的这项前瞻性研究的目的是比较超声检查与MRI在评估上con炎中的敏感性和特异性。在这些患者中的10例中，还用MRI检查了患肘。另外，对6名无上con炎的志愿者的肘部进行了超声检查。每个志愿者的1个肘部被指定为“测试”肘部，并进行MRI检查。将患者患病肘部和志愿者测试肘部的超声图与对侧肘部的超声图配对以进行比较，并随机显示给2位读者。这些读者在不了解MRI表现的情况下独立工作，被指示说出每个肘部是否正常或受上con炎的影响。结果上颌骨的声像学特征包括普通肌腱向外弯曲，与普通肌腱相邻的低回声液存在，增厚，回声降低和普通肌腱的边界不明确。超声检查对上con炎的敏感性范围为64％至82％，而MRI为90％至100％。超声检查的特异性范围从67％到100％，MRI的范围从83％到100％。结论超声检查在评估上con炎方面具有特异性，但不如MRI敏感。作为最初的成像工具，超声检查可能足以诊断许多患者的这种情况，因此可以将MRI保留给超声检查结果正常的症状患者。

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