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  Indian J Med Microbiol
 

Figure 6: Type 2 AIP. (a) Lymphoplasmacytic inflammation along with a prominent neutrophilic component within the pancreatic lobules and ducts (H and E ×400). (b) Cellular perilobular undulating fibrosis along with a lymphoplasmacytic inflammatory infiltrate admixed with numerous granulocytes (H and E ×200). (c) Neutrophilic infiltration into the acini with formation of microabscess, a less common but specific feature of type 2 AIP (H and E ×400). (d) Characteristic granulocytic epithelial lesion within a small duct characterised by neutrophilic infiltration into the duct epithelium resulting in rupture and formation of luminal microabscesses (H and E ×400)

Figure 6: Type 2 AIP. (a) Lymphoplasmacytic inflammation along with a prominent neutrophilic component within the pancreatic lobules and ducts (H and E ×400). (b) Cellular perilobular undulating fibrosis along with a lymphoplasmacytic inflammatory infiltrate admixed with numerous granulocytes (H and E ×200). (c) Neutrophilic infiltration into the acini with formation of microabscess, a less common but specific feature of type 2 AIP (H and E ×400). (d) Characteristic granulocytic epithelial lesion within a small duct characterised by neutrophilic infiltration into the duct epithelium resulting in rupture and formation of luminal microabscesses (H and E ×400)