Friday, May 31, 2013

Rotator cuff tear - the central tendon on MRI

Intra- and inter-rater reliability of the detection of tears of the supraspinatus central tendon on MRI by shoulder surgeons

These authors assert that the central tendon runs eccentrically within the anterior aspect of the supraspinatus and is the strongest portion of the supraspinatus tendon. 

They suggest that the condition of the central tendon may be an indicator of the success of non-operative and operative treatment of cuff tears.  The goal of this study was to determine the intra- and inter-rater reliability of detecting full- and partial-thickness tears of the supraspinatus intramuscular central tendon on magnetic resonance imaging. Shoulder MRIs from 40 patients were independently reviewed by two musculoskeletal (MSK) radiologists and by 16 fellowship-trained shoulder surgeons.

The intra-rater and inter-rater reliability for full thickness tears was excellent. The reliability for partial-thickness tears was lower. 

Comment: it will be of interest to see if future studies bear out the utility of the assessment of the integrity of this tendon in determining treatment and outcome of cuff tears.

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