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
pANCA positive vasculitis is 
Select and explain. 
A. Wegener's granulomatosis, B. Churg - Strauss syndrome, C. Polyaeritis nodosa, D. All of the above
B: Churg - Strauss syndrome
Answer: B: Churg - Strauss syndrome 
Explanation: Answer- b. Churg - Strauss syndromePANCATypically found in:MicroscopicpolyangiitisChurg-StrausssyndromeIdiopathiccrescenticglomerulonephritisGoodpasteur'ssyndrome.pANCA's are also associated with ceain non-vasculitic entities such as ceain rheumatic and nonrheumatic autoimmune diseases, Inflammatory bowel diseases, ceain drugs. Infections such as endocarditis and bacterial airway infection in patients with cystic fibrosis