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

Author information

1
Endoscopy Unit, Departments of Gastroenterology, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain.

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.

PMID:
16921297
[Indexed for MEDLINE]

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