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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Am J Gastroenterol. 2017 Apr 4;112(10):1604–1611. doi: 10.1038/ajg.2017.85

Figure 2.

Figure 2

Pancreas histopathology in pediatric autoimmune pancreatitis (AIP). Representative histopathologic features on pancreas core biopsies in children with autoimmune pancreatitis (hematoxylin and eosin (H&E) staining). (a) Dense lymphoplasmacytic infiltration of the major papilla (original magnification ×20). (b) Negative IgG4 staining of the plasma cells (original magnification ×20). (c) Granulocytic epithelial lesion (arrow) and focal epithelial duct destruction (dashed arrow). The chorion is infiltrated by lymphoplasmatic cells (original magnification ×20). (d) Storiform fibrosis (original magnification ×40).