Bilateral Congenital Agenesis of the Long Head of the Biceps Tendon: The Beginning

Figure 1

Ultrasound (US) images of both shoulders. (a) US parasagittal image of the left shoulder rotator interval. The long head of the biceps tendon is not identifiable in its normal position (white arrow). (b) US parasagittal image of the right shoulder rotator interval. The long head of the biceps tendon is not discernible in its normal position (white arrow). HH = humeral head; SS = supraspinatus tendon; SC = subscapularis tendon; Del = deltoid muscle.

(a)

(b)