This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Fracture involving both the malleoli is 
Select and explain. 
A. Cotton's fracture, B. Potts's f racture, C. Pirogoff's fracture, D. Dupuytren's fracture
B: Potts's f racture
Answer: B: Potts's f racture 
Explanation: B i.e. Pott's