cases, soft tissue Week 196: Case 1 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.A 20 year old man had a lump in his thigh which was increasing in firmness over the past several months. A radiograph demonstrated a well defined radiodensity in the area of his quadraceps muscle.images/Cao_100604case1a.jpgimages/Cao_100604case1b.jpgimages/Cao_100604case1c.jpgimages/Cao_100604case1d.jpgimages/Cao_100604case1e.jpgOsteogenic sarcomaHeterotopic ossificationChondrosarcoma Loading...