©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
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, 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.
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
Processing time: 125 Days and 19.1 Hours
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
Processing time: 125 Days and 19.1 Hours
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).