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01.06.2008 | Gastrointestinal Oncology | Ausgabe 6/2008

Annals of Surgical Oncology 6/2008

Most Pancreatic Cancer Resections are R1 Resections

Zeitschrift:
Annals of Surgical Oncology > Ausgabe 6/2008
Autoren:
MD Irene Esposito, MD Jörg Kleeff, MD Frank Bergmann, MD Caroline Reiser, MD Esther Herpel, MD Helmut Friess, MD Peter Schirmacher, MD Markus W. Büchler
Wichtige Hinweise
Presented at the 5th International Postgraduate Course Frontiers in HPB Diseases, Athens, Greece, March 2007; at the EHPBA meeting 2007, Verona, Italy, June 2007; and at the 16th Billroth Symposium, Binz, Germany, October 2007.

Abstract

Background

Curative resection has been shown to be one of the key factors influencing survival of pancreatic ductal adenocarcinoma (PDAC) patients. Although general guidelines for the processing of pancreatic specimens have been established, there is currently no widely accepted standardized protocol for pathological examination, especially with respect to resection margins.

Methods

Here we present a single-center experience with 111 consecutive macroscopic complete pancreatic head resections for PDAC carried out between 2005 and 2006 by using standardized pathological processing and reporting. The pancreatic transection margin, as well as the bile duct and stomach/duodenum margins and the circumferential soft tissue margins (medial, anterior surface, superior, and posterior), were inked and analyzed. R1 was defined as a distance of the tumor from the resection margin of ≤1 mm.

Results

One hundred eighty-eight consecutive macroscopic complete pancreatic head resections carried out for PDAC without a standardized protocol between 2002 and 2004 were used as a control group. The R1 rate for resections carried out with the standardized protocol was 76%. The medial (68%) and the posterior (47%) margins were most commonly involved, and in 32% of the cases, more than one margin was affected. The R1 resection rate in the period without standardized pathological reporting was 14%.

Conclusions

This study highlights the importance of pathological reporting and suggests that tumor growth patterns and thorough examination but not surgical technique determine R1 resection rates in PDAC.

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