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
Giant cell tumor is seen at 
Select and explain. 
A. Epiphysis, B. Metaphysis, C. Diaphysis, D. Growth plate
A: Epiphysis
Answer: A: Epiphysis 
Explanation: Giant cell tumour also known as osteoclastoma usually orginate from epiphysis of long bones close to aicular cailage. Most common site of involvement are lower end of femur and upper end of tibia. Clinical features include noticeable swelling and pathological fracture. Soap bubble appearance is seen in it. Reference..Harsh mohan textbook of pathology The muskuloskeletal system ref img