Indirect MR arthrography of the shoulder in detection of rotator cuff ruptures

The aim of this study was to compare the efficacy of indirect MR arthrography images obtained following intravenous contrast injection and conventional MR imaging in the diagnosis of rotator cuff tears. Twenty-four patients with clinically suspected rotator cuff disease were examined. Conventional M...

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Bibliographic Details
Published in:European radiology 2001-01, Vol.11 (2), p.258-262
Main Authors: Yagci, B, Manisali, M, Yilmaz, E, Ozkan, M, Ekin, A, Ozaksoy, D, Kovanlikaya, I
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Agreements
Arm Injuries - diagnosis
Arthroscopy
Contrast Media - administration & dosage
Diagnosis, Differential
Female
Gadolinium DTPA - administration & dosage
Humans
Injections, Intravenous
Magnetic Resonance Angiography
Male
Middle Aged
Observer Variation
Reproducibility of Results
Retrospective Studies
Rotator Cuff - pathology
Rotator Cuff Injuries
Rupture
Shoulder
Shoulder - pathology
Shoulder Injuries
Sports injuries
Surgery
Trauma Severity Indices
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Summary:The aim of this study was to compare the efficacy of indirect MR arthrography images obtained following intravenous contrast injection and conventional MR imaging in the diagnosis of rotator cuff tears. Twenty-four patients with clinically suspected rotator cuff disease were examined. Conventional MR images and post-contrast indirect MR arthrography images were obtained. All images were evaluated in a blinded fashion by two musculoskeletal radiologist. Results were than analyzed depending on surgical output. The correlation coefficient (Spearman rank correlation test) and the kappa values for agreement between surgery and imaging techniques were calculated. The correlation coefficients between indirect MR arthrography and surgery for reader 1 and reader 2 were 0.9137 and 0.9773, respectively. Whereas the agreement between conventional MR imaging and surgery was moderate (n = 0.383-0.571), the agreement between indirect MR arthrography and surgery was excellent (n = 0.873-0.936). We suggest the use of indirect MR arthrography technique when conventional MR images are equivocal in diagnosis of rotator cuff disease.
ISSN:0938-7994
1432-1084
DOI:10.1007/s003300000546