Effectiveness of multidetector computed tomography arthrography for the diagnosis of shoulder pathology: Comparison with magnetic resonance imaging with arthroscopic correlation
- Authors
- Oh, Joo Han; Kim, Jae Yoon; Choi, Jung-Ah; Kim, Woo Sung
- Issue Date
- Jan-2010
- Publisher
- MOSBY-ELSEVIER
- Keywords
- Shoulder; computed tomography arthrography; labral lesion; full-thickness rotator cuff tear
- Citation
- JOURNAL OF SHOULDER AND ELBOW SURGERY, v.19, no.1, pp 14 - 20
- Pages
- 7
- Journal Title
- JOURNAL OF SHOULDER AND ELBOW SURGERY
- Volume
- 19
- Number
- 1
- Start Page
- 14
- End Page
- 20
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/22693
- DOI
- 10.1016/j.jse.2009.04.012
- ISSN
- 1058-2746
1532-6500
- Abstract
- Hypothesis: This study evaluated the diagnostic efficacy of computed tomography arthrography (CTA) in the assessment of various shoulder pathologies with arthroscopic correlation. We hypothesized that CTA would be cost-effective and effectively comparable with magnetic resonance arthrography (MRA) for assessing labral detachments and full-thickness rotator cuff tears. Materials and methods: A musculoskeletal radiologist interpreted CTAs for 78 patients and MRAs for 70 patients. Each imaging study was evaluated for the presence of bony (Hill-Sachs) or labral (Bankart or superior labrum anteroposterior [SLAP]) lesions, and rotator cuff disorder (full- or partial-thickness tears). All patients subsequently underwent arthroscopic surgery. Detailed arthroscopic findings were reported and compared with CTA and MRA findings. The sensitivity, specificity, K coefficients, and the area under the receiver operating characteristic (AUROC) curve were calculated. Results: The sensitivity, specificity, and agreement were comparable in each imaging study for Bankart. SLAP, and Hill-Sachs lesions, and full-thickness rotator cuff tears, but those of CTA were significantly lower than MRA for partial-thickness cuff tears. The AUROC curve for CTA and MRA were not significantly different for any of the pathologies, except partial-thickness cuff tears. Conclusions: Our data suggest that CTA is a cost-effective, useful method in the preoperative evaluation of labral abnormalities, such as Bankart and SLAP lesions. It may also be useful for the detection of full-thickness rotator cuff tears.
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