Pyloric gland-type tubular adenoma superimposed on intraductal papillary mucinous tumor of the pancreas. Pyloric gland adenoma of the pancreas

Virchows Archiv : an International Journal of Pathology
Noriko KatoTeiichi Motoyama

Abstract

We report a rare case of pyloric gland-type tubular adenoma of the main pancreatic duct. It was a grossly visible polypoid nodule and was composed of closely packed pyloric-type glands. This adenoma was present within an intraductal papillary mucinous adenoma (IPMA). In this IPMA lesion, aggregations of pyloric-type glands were occasionally observed, and most of the cells including ductal lining cells expressed pyloric gland-type mucin. The IPMA of the present case showed more extensive pyloric gland metaplasia or differentiation than commonly noted in IPMAs. We consider this pyloric gland-type tubular adenoma to be derived from a selective growth of IPMA cells showing pyloric gland metaplasia.

Citations

Dec 14, 2004·Der Pathologe·G KlöppelJ Lüttges
Apr 20, 2005·Virchows Archiv : an International Journal of Pathology·Ryoji KushimaManfred Stolte
Aug 10, 2005·Virchows Archiv : an International Journal of Pathology·Toru FurukawaSuguru Yonezawa
Apr 16, 2005·The American Journal of Surgical Pathology·Yoshifuku NakayamaSeiyo Ikeda
Jan 6, 2009·Pathology International·Tadashi Terada
Jul 3, 2010·Pathology International·Yasunori SatoYasuni Nakanuma
Aug 2, 2012·World Journal of Gastroenterology : WJG·Yoshiki NaitoHirohisa Yano
Apr 20, 2005·Virchows Archiv : an International Journal of Pathology·M ViethM Stolte
Sep 5, 2006·Gastric Cancer : Official Journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association·Ryoji KushimaTakanori Hattori
Dec 5, 2012·The Journal of Pathology·Akiko MatsubaraYae Kanai
Sep 10, 2010·Virchows Archiv : an International Journal of Pathology·Michael ViethTakanori Hattori
Mar 27, 2004·The American Journal of Surgical Pathology·Jorge Albores-SaavedraDeepti Shukla
Jul 1, 2020·Clinical Journal of Gastroenterology·Rei SuzukiHiromasa Ohira

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