An epiphyseal bone lesion is -
Osteogenic sarcoma
Chondroblastoma
Ewing's sarcoma
Chondromyxoid fibroma
Chondroblastoma also reffered to as codman tumours are rare benign cailaginous neoplasms that charecteristically arise in the epiphysis or apophysis of along bone in young patients. It has high occurence and high chance of metastasis. ref img
Breast