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. 2006 Aug;16(4):208-11.
doi: 10.1097/00129689-200608000-00002.

Impact of periampullary duodenal diverticula at endoscopic retrograde cholangiopancreatography: a proposed classification of periampullary duodenal diverticula

Jaume Boix  1 , Vicente Lorenzo-Zúñiga, Fidel Añaños, Eugeni Domènech, Rosa M Morillas, Miguel A Gassull
Affiliations

Impact of periampullary duodenal diverticula at endoscopic retrograde cholangiopancreatography: a proposed classification of periampullary duodenal diverticula

Jaume Boix et al. Surg Laparosc Endosc Percutan Tech. 2006 Aug.

Abstract

Background/aims: To propose a classification schema to describe periampullary duodenal diverticula (PDD) found at endoscopic retrograde cholangiopancreatography (ERCP), and to study the characteristics of these diverticula.

Materials and methods: Among 400 consecutive patients in whom an ERCP was performed, PDD were present in 131 (32.8%), being these patients significantly older than the remaining, served as controls.

Results: PDD were classified in 3 different types according to the position of the major duodenal papilla: type I (16.3%), inside the diverticulum; type II (10.2%), in the margin of the diverticulum; and type III (6.5%), near the diverticulum. PDD were not associated with a more difficult cannulation of the biliary tract.

Conclusions: PDD are common, especially in older patients, and do not significantly increase the difficulty of deep cannulation.

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