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: Unknown
On MRI the differential diagnosis of spinal cord edema is: 
Select and explain. 
A. Mylodysplasia, B. Myelomalacia, C. Myelochisis, D. Cord tumors
B: Myelomalacia
Answer: B: Myelomalacia 
Explanation: None