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: Pathology
pANCA is sensitive and specified for? 
Select and explain. 
A. Post streptococcal glomerulonephritis, B. Idiopathic cresentic glomerulonephritis, C. Diffuse glomerulosclerosis, D. Diffuse glomerulosclerosis
B: Idiopathic cresentic glomerulonephritis
Answer: B: Idiopathic cresentic glomerulonephritis 
Explanation: Ans. is 'b' i.e., Idiopathic cresentic glomerulonephritis