, Volume 24, Issue 5, pp 595-602
Date: 12 Feb 2014

Surgery for Ductal Adenocarcinoma of the Pancreatic Head: Staging, Complications, and Survival after Regional versus Extended Lymphadenectomy

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The purpose of this study was to evaluate the influence of regional versus extended lymphadenectomy on survival after partial pancreaticoduodenectomy for pancreatic cancer. From October 1988 to December 1991 (Department of Surgery, University of Hamburg) and from January 1992 to March 1998 (Department of Surgery, University of Kiel) 72 patients with histologically proven ductal adenocarcinoma of the pancreatic head were treated. Partial pancreaticoduodenectomy with regional lymphadenectomy was performed in 26 patients. In 46 patients lymphadenectomy was expanded to include extended retroperitoneal lymphatic and connective tissue clearance. Comparing these two groups and including only patients with R0 resections (n= 58) no significant differences in long-term survival could be shown. The following parameters were shown to have a significant or nearly significant influence on long-term survival: (1) stage of the disease: The 5-year survival of patients with stage I/II pancreatic head cancer was 63%, compared to 15% in patients with stage III/IV a + b of the disease (p= 0.0087). (2) Grading: The 1-year survival of patients with well or moderately differentiated tumors was 55%, compared to 0% for patients with poorly differentiated ductal adenocarcinoma (p= 0.0022). (3) N stage: The 5-year survival of patients in N0 stage was 46.9%, compared with 15% for N1 stage patients. The difference was not quite significant (p= 0.081). (4) Portal vein involvement: The 1-year survival was 0% in patients with R0 resections and histologically proven tumor infiltration of the portal vein, compared to 63% for patients with curative resections without portal vein involvement (p= 0.0063). In conclusion our data indicate that extensive retroperitoneal tissue clearance during pancreaticoduodenectomy for ductal pancreatic cancer does not improve survival compared to regional lymphadenectomy restricted to the right side of the mesenteric artery.