Comprehensive treatment of rare multiple endocrine neoplasia type 1: A case report

Figure 4 Pathological examination. Hematoxylin & eosin staining showed (magnification, 40 ×; 100 ×) multiple nodules next to the pancreatic tumor, in the pancreatic tissue around the pancreatic body, and next to the pancreatic tail. Immunohistochemistry showed (magnification, 40 ×; 100 ×) CKpan (+), synaptophysin (+), chromogranin A (+), partial CD56 (+), p53 (-), partial PGP9.5 (+), partial SSTR2 (+), CD10 (-), partial vimentin (+) in pancreas tissues, and CKpan (+), Syn (+), CgA (+), partial CD56 (+), p53 (-), and PGP9.5 (+) in liver tissues. Bar, 100 μm. Syn: Synaptophysin; CgA: Chromogranin A.