Orthopaedics Which one of the following bone tumors typically affects the epiphysis of a long bone? A Osteosarcoma B Ewing's sarcoma C Chondroblastoma D Chondromyxoid fibroma 💡 Explanation Which one of the following bone tumors typically affects the epiphysis of a long bone? ✓ Correct Answer: C. Chondroblastoma