This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
An epiphyseal bone lesion is - 
Select and explain. 
A. Osteogenic sarcoma, B. Chondroblastoma, C. Ewing's sarcoma, D. Chondromyxoid fibroma
B: Chondroblastoma
Answer: B: Chondroblastoma 
Explanation: 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