Fig. 3From: A case of type 1 multiple endocrine neoplasia with esophageal stricture successfully treated with endoscopic balloon dilation and local steroid injection combined with surgical resection of gastrinomasGastrin expression in the neuroendocrine tumors of the duodenum (a) and pancreas (b) (Gastrin, x100); nested or diffuse expression in the duodenal tumor (a) in contrast to faint expression in the pancreatic tumor (b)Back to article page