Fig. 23.59 Primary hyperparathyroidism: erosion of the outer end of the clavicle. This coned AP view of the lateral half of the left clavicle shows subperiosteal bone resorption of the outer end of the clavicle with slight widening of the acromioclavicular joint. There is also erosion of the under surface of the clavicle above the coracoid process of the scapula.
