Hematoxylin and eosin-stained sections of pancreatic tissue. (A) Multiple hypertrophic islets are shown in the center of the pancreatic lesion (magnification, x100). (B) Islets including multiple, enlarged cells with enlarged nucleoli and abundant clear, granulated, slightly eosinophilic cytoplasm (magnification, x400). (C) In contrast to the center of the lesion, the number of islets at the margin of the lesion is nearly normal (x100).