Laparoscopic transduodenal local resection of periampullary neuroendocrine tumor: A case report

Figure 1 Periampullary tumor (arrow) was detected by gastroscope, endoscopic ultrasonography, and computed tomography. A: Gastroscope; B: Endoscopic ultrasonography; C, D: Computed tomography.

Figure 2 Location of trocars placement.

Figure 3 Steps of the surgical procedures. A: Inserting a cholangiogram catheter through the cystic duct to the duodenum; B: Mobilizing duodenum by the Kocher maneuver; C: Making a longitudinal incision of duodenal wall on the opposite site of the duodenal papilla; D: Performing the resection circumferentially at a distance of 5 mm from the tumor (arrow); E: Identifying pancreaticobiliary duct (arrow) by the cholangiogram catheter; F: Suturing the pancreaticobiliary duct to the surrounding duodenal mucosa; G: After closure of the duodenotomy. IVC: Indicates inferior vena cava; D: Duodenum.

Figure 4 Resected specimen of periampullary neuroendocrine tumor (arrow).