bone, cases Week 214: Case 1 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Maryam Farinola M.D.A ten year old boy had pain in his leg for six months. The pain was worse at night. A radiograph demonstrated a dense periosteal reaction covering the mid portion of his femur. At the center was a slightly radiolucent area.Osteoid osteomaOsteomyelitisOsteoblastomaOsteosarcoma 1. Presented by Edward McCarthy, M.D. and prepared by Maryam Farinola M.D.A ten year old boy had pain in his leg for six months. The pain was worse at night. A radiograph demonstrated a dense periosteal reaction covering the mid portion of his femur. At the center was a slightly radiolucent area.