Clinics in Shoulder and Elbow

Korean Shoulder and Elbow Society (대한견·주관절의학회)
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Multidetector CT (MDCT) Arthrography in the Evaluation of Shoulder Pathology: Comparison with MR Arthrography and MR Imaging with Arthroscopic Correlation

Multidetector CT arthrography를 이용한 견관절 병변의 진단 - MRI, MR arthrography와의 비교 -

  • Kim, Jae-Yoon (Department of Orthopedic Surgery, Eulji University College of Medicine) ;
  • Gong, Hyun-Sik (Seoul National University College of medicine) ;
  • Kim, Woo-Sung (Seoul National University College of medicine) ;
  • Choi, Jung-Ah (Daejin Medical Center) ;
  • Kim, Byung-Ho (Department of Radiology, Seoul National University College of Medicine) ;
  • Oh, Joo-Han (Seoul National University College of medicine)
  • 김재윤 (을지의대 정형외과학교실) ;
  • 공현식 (서울대학교 의과대학 정형외과학교실) ;
  • 김우성 (분당 제생병원) ;
  • 최정아 (서울대학교 의과대학 진단방사선과학교실) ;
  • 김병호 (서울대학교 의과대학 정형외과학교실) ;
  • 오주한 (서울대학교 의과대학 정형외과학교실)
  • Published : 2006.06.30
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Abstract

Purpose: The purpose of the present study was to evaluate the diagnostic efficacy of CT arthrography (CTA) in the assessment of various shoulder pathologies, compared with MR arthrography (MRA) and MRI with arthroscopic correlation. Materials and Methods: CTA in 84 patients, MRA in 70 patients, and MRI in 27 patients were obtained. A radiologist interpreted each image for 5 pathologies: Bankart, SLAP, Hill-Sachs lesion, full-thickness, and partial-thickness rotator cuff tear. Detailed arthroscopic reports were compared with CTA, MRA, and MRI. The sensitivity, specificity, predictive values, and accuracy were calculated. The agreement between each diagnostic modality and arthroscopy was calculated. Diagnostic efficacy was assessed by the areas under the receiver operating characteristic (ROC) curves. Results: The diagnostic values of all three imaging groups were comparable to each other for Bankart, SLAP, Hills-Sachs, and full-thickness cuff tear lesions, but those of CTA were lower than MRI and MRA for partial-thickness cuff tears. The areas under the ROC curves for CTA, MRA, and MRI were not significantly different for all pathologies, except for partial-thickness cuff tears. Conclusion: CTA was equally competent to MRA or MRI in demonstrating Bankart, Hill-Sachs lesions, SLAP, and full thickness rotator cuff tears but not as efficient in diagnosing partial thickness rotator cuff tears.

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References

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