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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Shoulder sonography after intraarticular fluid injection for evaluation of anterior labral tears: Comparison with conventional sonography
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Shoulder sonography after intraarticular fluid injection for evaluation of anterior labral tears: Comparison with conventional sonography

机译：关节腔内注射后的肩部超声检查以评估前唇撕裂：与常规超声检查的比较

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摘要

Purpose.: To compare shoulder sonography (US) after intraarticular fluid injection ("arthrosonography") with conventional shoulder US for diagnosing anterior labral tears. Methods.: Thirty consecutive patients who were to undergo shoulder MR arthrography were enrolled after written informed consent was obtained. A radiologist performed conventional US, using a 2- to 5-MHz convex transducer on the subject whose arm was externally rotated, then abducted perpendicular to the trunk, and rotated internally and externally. After intraarticular injection of diluted gadolinium contrast for MR arthrography, arthrosonography was performed in the same manner as in the conventional method. Two other radiologists compared the two US methods in the diagnosis of anterior labral tears using a five-point scale. Receiver operating characteristic (ROC) curves and weighted kappa values were calculated. Results.: Fourteen patients proven to have anterior labral tears by arthroscopy constituted the disease group, and 16 patients, including the 4 patients who were negative on arthroscopy, constituted the normal group. The areas under the ROC curve of arthrosonography (mean, 0.977) were larger than those of conventional US (mean, 0.858). The kappa values for assessing the interobserver agreement of the two modalities were 0.40 and 0.82, respectively. Conclusions.: Arthrosonography of the shoulder is more accurate and reliable than conventional US for diagnosing anterior labral tear.
机译：目的：比较关节腔内注液后的肩部超声检查（US）与常规肩部超声检查以诊断前唇裂。方法：获得书面知情同意书后，连续入选30例接受肩部MR造影的患者。一名放射线医师使用2至5 MHz的凸形换能器对受检者进行了常规的超声检查，该受检者的手臂从外部旋转，然后垂直于躯干绑架，并在内部和外部旋转。在关节腔内注射稀释的contrast造影剂进行MR关节造影后，以与常规方法相同的方式进行关节造影。其他两名放射科医生使用五点量表对两种美国方法在前唇裂的诊断中进行了比较。计算接收器工作特性（ROC）曲线和加权kappa值。结果：14例经关节镜检查证实具有前唇裂的患者构成疾病组，16例患者（包括4例经关节镜检查阴性的患者）构成正常组。关节造影的ROC曲线下的面积（平均值为0.977）大于常规美国的平均值（平均值为0.858）。评估两种方式的观察者间一致性的kappa值分别为0.40和0.82。结论：在常规的前唇撕裂诊断中，肩关节超声检查比常规超声检查更准确，更可靠。

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