Direct MR arthrography of the shoulder under axial traction: Feasibility study to evaluate the superior labrum-biceps tendon complex and articular cartilage

Purpose: To assess the value of adding axial traction to direct MR arthrography of the shoulder, in terms of subacromial and glenohumeral joint space widths, and coverage of the superior labrum‐biceps tendon complex and articular cartilage by contrast material. Materials and Methods: Twenty‐one pati...

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Bibliographic Details
Published in:Journal of magnetic resonance imaging 2013-05, Vol.37 (5), p.1228-1233
Main Authors: Becce, Fabio, Richarme, Delphine, Omoumi, Patrick, Djahangiri, Ali, Farron, Alain, Meuli, Reto, Theumann, Nicolas
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Aged, 80 and over
biceps tendon
cartilage
Cartilage (articular)
Cartilage, Articular - pathology
Feasibility Studies
Female
glenoid labrum
Humans
Joint Diseases - pathology
Joint Diseases - rehabilitation
Magnetic resonance imaging
Magnetic Resonance Imaging - methods
Male
Middle Aged
MR arthrography
Muscle, Skeletal - pathology
Reproducibility of Results
Sensitivity and Specificity
shoulder
Shoulder Joint - pathology
Tendons
Traction
Treatment Outcome
Young Adult
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Summary:Purpose: To assess the value of adding axial traction to direct MR arthrography of the shoulder, in terms of subacromial and glenohumeral joint space widths, and coverage of the superior labrum‐biceps tendon complex and articular cartilage by contrast material. Materials and Methods: Twenty‐one patients investigated by direct MR arthrography of the shoulder were prospectively included. Studies were performed with a 3 Tesla (T) unit and included a three‐dimensional isotropic fat‐suppressed T1‐weighted gradient‐recalled echo sequence, without and with axial traction (4 kg). Two radiologists independently measured the width of the subacromial, superior, and inferior glenohumeral joint spaces. They subsequently rated the amount of contrast material around the superior labrum‐biceps tendon complex and between glenohumeral cartilage surfaces, using a three‐point scale: 0 = no, 1 = partial, 2 = full. Results: Under traction, the subacromial (Δ = 2.0 mm, P = 0.0003), superior (Δ = 0.7 mm, P = 0.0001) and inferior (Δ = 1.4 mm, P = 0.0006) glenohumeral joint space widths were all significantly increased, and both readers noted significantly more contrast material around the superior labrum‐biceps tendon complex (P = 0.014), and between the superior (P = 0.001) and inferior (P = 0.025) glenohumeral cartilage surfaces. Conclusion: Direct MR arthrography of the shoulder under axial traction increases subacromial and glenohumeral joint space widths, and prompts better coverage of the superior labrum‐biceps tendon complex and articular cartilage by contrast material. J. Magn. Reson. Imaging 2013;37:1228–1233. © 2012 Wiley Periodicals, Inc.
ISSN:1053-1807
1522-2586
DOI:10.1002/jmri.23824