cases, extremity Week 290: Case 2 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Danielle Wehle, M.D.A 20 year old man had a three month history of main in his lower leg. A radiograph revealed a destructive lesion in the metaphyseal portion of his tibia. Slides showed extensive foam cells, histiocyte-like cells, and multinucleated giant cells.images/P6052545.jpgimages/xanthoma3.jpgimages/xanthoma5.jpgMalignant fibrous histiocytomaNon-ossifying fibromaXanthofibromaChronic osteomyelitis Loading...