Complete supraspinatus and infraspinatus tendon tears and dislocation of the proximal long head of biceps tendon (ultrasound)
Presentation
Long-standing shoulder pain
Patient Data
The proximal long head of biceps is medially dislocated out of the bicipital groove and cleeves into the superior and lateral portion of the subscapularis tendon. Complete and retracted supraspinatus and infraspinatus tendons tears. Intact teres minor tendon. Acromioclavicular joint synovial hypertrophy.
Annotated transverse images, highlighting the bare humeral head and absent proximal long head of biceps in the rotator cuff interval.
Case Discussion
The bare humeral head sign indicates a complete and retracted supraspinatus tendon tear. The proximal long head of biceps is used to help orient the practitioner, and if absent from the bicipital groove, it can either be medially dislocated or torn.
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