Most pancreatic cancer resections are R1 resections.

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 < or = 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.

journal_name

Ann Surg Oncol

authors

Esposito I,Kleeff J,Bergmann F,Reiser C,Herpel E,Friess H,Schirmacher P,Büchler MW

doi

10.1245/s10434-008-9839-8

subject

Has Abstract

pub_date

2008-06-01 00:00:00

pages

1651-60

issue

6

eissn

1068-9265

issn

1534-4681

journal_volume

15

pub_type

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