An intraductal papillary neoplasm of the bile duct at the duodenal papilla

Yoshiaki Kawaguchi; Yohei Kawashima; Atsuko Maruno; Hiroyuki Ito; Masami Ogawa; Hideki Izumi; Daisuke Furukawa; Naoki Yazawa; Toshio Nakagori; Kenichi Hirabayashi; Tetsuya Mine

doi:10.1159/000364999

An intraductal papillary neoplasm of the bile duct at the duodenal papilla

Case Rep Oncol. 2014 Jul 2;7(2):417-21. doi: 10.1159/000364999. eCollection 2014 May.

Affiliations

¹ Department of Gastroenterology, Tokai University School of Medicine, Isehara, Japan.
² Department of Surgery, Tokai University School of Medicine, Isehara, Japan.
³ Department of Pathology, Tokai University School of Medicine, Isehara, Japan.

Abstract

In recent years, the disease concept of intraductal papillary neoplasm of the bile duct (IPNB) has been attracting attention as a biliary lesion that is morphologically similar to intraductal papillary mucinous neoplasm (IPMN), which is considered to be a counterpart of IPMN. However, there are few reports on IPNB, and a consensus regarding the features of this disease is thus lacking. We experienced an extremely rare case of IPNB occurring in the bile duct at the duodenal papilla, which is a tumor presentation that has not previously been reported. Herein, we report this interesting case and discuss the possible association between IPMN and IPNB.

Keywords: Duodenal papilla; Intraductal papillary mucinous neoplasm; Intraductal papillary neoplasm of the bile duct; Intraductal ultrasound; Peroral cholangioscopy.

Publication types

Case Reports