bone, cases Week 221: Case 2 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Jon Davison, M.D.A 64-year old man had knee pain for three months. A radiograph demonstrated a poorly circumscribed lytic area in the superior portion of the acetabulum.images/JMD_5-15-05_SPWC/Case_2/1.jpgimages/JMD_5-15-05_SPWC/Case_2/2.jpgimages/JMD_5-15-05_SPWC/Case_2/3.jpgMetastatic carcinomaChondrosarcomaEnchondromaChondromatoid fibroma Loading...