cases, extremity Week 100: Case 5 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Lynette S. Nichols, M.D.A 45 year old man had hip pain for 6 months. A radiograph showed multiple radiodensities in the hip joint around the femoral neck and the femoral head. The radiodensities had a ring and stipple pattern of cartilage.OsteochondromaChondrosarcomaSynovial chondromatosis 1. Presented by Edward McCarthy, M.D. and prepared by Lynette S. Nichols, M.D.A 45 year old man had hip pain for 6 months. A radiograph showed multiple radiodensities in the hip joint around the femoral neck and the femoral head. The radiodensities had a ring and stipple pattern of cartilage.