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The long head of the biceps tendon is hypoechoic and oedematous in the bicipital groove. There is a loss of normal tendon echo pattern below the level of the bicipital groove favoring tendon tear. The tendon sheath is filled with fluid at this level. It is associated with sagging of myotendinous junction to mid-arm resulting in popeye arm.
The rest of the rotator cuff tendons were intact (images not uploaded).
The short-axis images should show sagging of the biceps myotendinous junction below the level of the pectoralis major insertion to the humerus.