This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
In which of the following c-ANCA is seen? 
Select and explain. 
A. Wegener's granulomatosis, B. Polyarteritis nodosa, C. Churg-Strauss syndrome, D. Bechet's syndrome
A: Wegener's granulomatosis
Answer: A: Wegener's granulomatosis 
Explanation: a. Wegener's granulomatosis(Ref: Nelson's 20/e p 1176-1180, Ghai 8/e p 628)C-ANCAP-ANCA (against Myeloperoxidase)Wegener's GranulomatosisQ (90-95%)* Microscopic PAN (microscopic polyangitis)* Churg-Strauss syndromeQ* Drugs (hydralazine, propythiouracil)* Crescentic GlomerulonephritisQ* Goodpasteur's syndromeQ* Ulcerative colitis* Primary sclerosing cholangitisQ