Presentation
Pain in left shoulder, history of fall while running.
Patient Data
Cortical irregularity, depression along greater tuberosity / posterolateral aspects of head of humerus with surrounding marrow edema.
Full-thickness tear of supraspinatus and infraspinatus tendons seen at the attachment site with retraction of torn fibers up to lateral aspects of the acromional process.
The tear measures approx. 16 mm in transverse and 20 mm in anteroposterior dimension.
Few of posterior fibers of the infraspinatus and anterior-most fibers of supraspinatus appear intact.
No significant volume loss / fatty atrophy.
Mild subscapularis tendinosis / strain seen with a focal partial bursal surface tear of superior fibers, involving approx. 20% thickness.
Tear of posterosuperior acetabular labrum seen.
Edema is seen involving an intracapsular segment of biceps tendon with possible interstitial tears. Interstitial hyperintensity is seen within biceps tendon in the bicipital groove – possibly interstitial tear / bifid tendon.
Mild thickening and hyperintensity of coracohumeral ligament are seen – possibly sprain.
Acromion is lateral downsloping, type II with a small spur at lateral aspect with eburnation along articular surfaces, mild subchondral marrow edema, joint effusion and mild surrounding soft tissue edema.
Mild joint effusion is seen with subacromial – subdeltoid and subcoracoid bursitis.
Case Discussion
Full-thickness tears of the supraspinatus and infraspinatus tendons at their attachment site with retraction of torn fibers up to the lateral aspects of the acromial process.
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