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
Etiopathogenesis of diabetic foot include the following except - 
Select and explain. 
A. Myelopathy, B. Osteoarthropathy, C. Microangiopathy, D. Infection
A: Myelopathy
Answer: A: Myelopathy 
Explanation: None