Solitary myeloma of the clavicle with long survival after total excision. Report of a case.

A fifty-year-old IflUI1 was admitted on May 9, 1947, having twisted his right arm eleven Illoflths before. He had felt a sudden pain in the right shoulder which passed ot1 only to recur Iline months later when he wrenched the shoulder with a heavy weight. At this time he noticed a swelling over the middle of the clavicle. Examination confirmed the presence of a large irregular swelling involving the mid-shaft of the right clavicle. Movements of the shoulder were full and painless. There were no other abnormal clinical lindings. Iiit’estigations-Radiological skeletal survey was normal except for the right clavicle, which showed the typical appearance of a myeloma of bone with a pathological fracture (Fig. I). The plasma proteins were normal chemically and electrophorectically, and the urine showed 110 Bence Jones protein. A full blood count was normal and the Wassermann reaction was negative.