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
Which of the following is Anti-proteinase-3 positive 
Select and explain. 
A. Churg Strauss syndrome, B. Microscopic polyangiitis, C. Wegener's granulomatosis, D. Polyarteritis nodosa
C: Wegener's granulomatosis
Answer: C: Wegener's granulomatosis 
Explanation: Anti-Proteinase-3 (C-ANCA) Positive is wegener's granulomatosis.