Editorial
Copyright ©The Author(s) 2015. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Mar 14, 2015; 21(10): 2865-2870
Published online Mar 14, 2015. doi: 10.3748/wjg.v21.i10.2865
Mesopancreas: A boundless structure, namely the rationale for dissection of the paraaortic area in pancreaticoduodenectomy for pancreatic head carcinoma
Nadia Peparini
Nadia Peparini, Azienda Sanitaria Locale Roma H- Distretto 3, 00043 Ciampino (Rome), Italy
Author contributions: Peparini N conceived the study, contributed to acquisition, analysis and interpretation of data, drafted and critically revised the manuscript, gave final approval of the article to be published.
Conflict-of-interest: The author declares no conflicting interest.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Nadia Peparini, MD, PhD, Azienda Sanitaria Locale Roma H-Distretto 3, via Mario Calò, 5-00043 Ciampino (Rome), Italy. nadiapeparini@yahoo.it
Telephone: +39-6-93275421 Fax: +39-6-79321150
Received: November 10, 2014
Peer-review started: November 12, 2014
First decision: December 11, 2014
Revised: December 27, 2014
Accepted: February 5, 2015
Article in press: February 5, 2015
Published online: March 14, 2015
Core Tip

Core tip: The rationale for dissection of the 16a2 and 16b1 paraaortic areas in pancreaticoduodenectomy for pancreatic head carcinoma is to control tumor spread along the mesopancreatic resection margin (R factor), rather than to control or stage the nodal spread (N factor).