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Shoulder sonography after intraarticular fluid injection for evaluation of anterior labral tears: Comparison with conventional sonography

Title
Shoulder sonography after intraarticular fluid injection for evaluation of anterior labral tears: Comparison with conventional sonography
Author
류정아
Keywords
shoulder; ultrasonography; labral tear; Bankart lesion; MR arthrography; musculoskeletal system; arthrosonography
Issue Date
2013-02
Publisher
Wiley-Blackwell
Citation
Journal of Clinical Ultrasound, Feb 2013, 41(2), P.94-100
Abstract
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. (c) 2012 Wiley Periodicals, Inc. J Clin Ultrasound 2013; Published online in Wiley Online Library (wileyonlinelibrary.com).
URI
http://onlinelibrary.wiley.com/doi/10.1002/jcu.21981/abstracthttp://hdl.handle.net/20.500.11754/57797
ISSN
0091-2751
DOI
10.1002/jcu.21981
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > ETC
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