• W Kimura, K Morikane, N Futakawa, H Shinkai, I Han, T Inoue, T Muto, and H Nagai.
• First Department of Surgery, Faculty of Medicine, University of Tokyo, Japan.
• Hepato Gastroenterol. 1996 Mar 1; 43 (8): 463-72.

Background/AimsDuodenum-preserving resection of the head of the pancreas has been performed for benign and, sometimes, malignant diseases of the pancreas. We propose a new procedure of duodenum-preserving subtotal pancreatectomy of the pancreas according to the precise anatomy of the pancreatoduodenal region, especially of the pancreaticoduodenal arteries which provide blood to the duodenum.Material And MethodsAfter a complete Kocher's maneuver is performed, the pancreas is cut above the portal vein and removed from the third portion of the duodenum, followed by the removal of the posterior surface of the pancreas head from a connective tissue membrane. The main pancreatic duct is identified at its junction with the terminal portion of the bile duct from the posterior surface of the head of the pancreas and is cut at the junction. The pancreas is cut in the line of the ASPD. This line is almost the same as the left side of the common bile duct. The ASPD and the common bile duct should be preserved in this procedure.ResultsThe reason for leaving part of the pancreas between the duodenum and the anterior superior pancreaticoduodenal artery and the common bile duct is that the artery toward the papilla of Vater runs along the right side of the common bile duct and would be difficult to be preserved with the removal of this part of the pancreas. The most important technique of this procedure is in keeping the connective tissue membrane of the posterior surface of the pancreas intact so as to preserve pancreaticoduodenal arteries and veins, because all the pancreaticoduodenal arteries and veins are situated on this membrane. Complete Kocher's maneuver should cause no problem in this procedure.ConclusionsBenign lesions as well as low-grade malignancy of the head of the pancreas may possibly be the indication of this procedure.

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