Week 33: Case 5

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

A 20 year-old man had a painful swelling over the midshaft of his tibia for three months. A radiograph demonstrated a radiodense surface lesion surrounding the metadiaphysis of the tibia. Some of the density was characterized by a ring and stippled pattern.