Week 21: Case 2

1. Presented by Edward McCarthy, M.D. and prepared by Orin Buetens, M.D.

A 35 year-old woman had pain and stiffness in her left shoulder for several months. The radiograph showed a scalloped radiolucency on the medial surface of the proximal humeral metaphysis. The scalloping resembles a crater and has a faint sclerotic rim.