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: Medicine
Purpura fulminans is seen in which of the following conditions? 
Select and explain. 
A. Severe DIC, B. Leukocytoclastic vasculitis, C. Viral hemorrhagic fever, D. Tularemia
A: Severe DIC
Answer: A: Severe DIC 
Explanation: Large ecchymoses with sharply irregular shapes evolving into hemorrhagic bullae and then into black necrotic lesions seen in DIC sepsis, neisseria, malignancy, massive trauma.