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Skeletal Radiology
Published in: Skeletal Radiology 5/2003

01-05-2003 | Article

Cartilage lesions in the ankle joint: comparison of MR arthrography and CT arthrography

Authors: M. R. Schmid, C. W. A. Pfirrmann, J. Hodler, P. Vienne, M. Zanetti

Published in: Skeletal Radiology | Issue 5/2003

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Abstract

Objective

To compare MR arthrography and CT arthrography for the evaluation of cartilage lesions in the ankle joint.

Design and patients

Thirty-six consecutive patients with clinically suspected cartilage lesions were prospectively included in the study. A 1:1 mixture of diluted gadoteridol (4 mmol/l) and iopamidol (300 mg iodine/ml) was injected. The articular cartilages of the talus, tibia, and fibula were analyzed separately by two musculoskeletal radiologists. A review panel consisting of two musculoskeletal radiologists and an orthopedic surgeon represented the standard of reference.

Results

For reader 1 accuracy of MR arthrography in the talus/tibia/fibula (88%/88%/94%) was slightly inferior to CT arthrography (90%/94%/92%). For reader 2, the accuracy was 76%/78%/83% for MR arthrography, and 92%/93%/92% for CT arthrography, respectively. Interobserver agreement for MR arthrography was 79%/74%/89% (kappa 0.47/0.34/0.27), while interobserver agreement for CT arthrography was 89%/90%/89% (kappa 0.69/0.54/0.54).

Conclusion

CT arthrography appears to be more reliable than MR arthrography for the detection of cartilage lesions in the ankle joint.
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Metadata
Title
Cartilage lesions in the ankle joint: comparison of MR arthrography and CT arthrography
Authors
M. R. Schmid
C. W. A. Pfirrmann
J. Hodler
P. Vienne
M. Zanetti
Publication date
01-05-2003
Publisher
Springer-Verlag
Published in
Skeletal Radiology / Issue 5/2003
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI
https://doi.org/10.1007/s00256-003-0628-y

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