This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Pathology
Histology for type 2 autoimmune pancreatitis characteristically demonstrates:- 
Select and explain. 
A. IgG4 positive plasma cells > 10/HPF, B. Granulocytic epithelial lesion, C. Storiform fibrosis, D. Microvascular thrombosis
B: Granulocytic epithelial lesion
Answer: B: Granulocytic epithelial lesion 
Explanation: Option B- Granulocytic infiltration Autoimmune Pancreatitis Duct-centric mixed inflammatory cell infiltrate, venulitis, and increased numbers of IgG4-secreting plasma cells. Type - 1 Type -2 IgG4 Plasma cells >10 / HPF IgG4 plasma cells < 10 / HPF Storiform fibrosis Granulocytes epithelial lesion Venous thrombosis