Korean J Pathol.  2012 Feb;46(1):96-100. 10.4132/KoreanJPathol.2012.46.1.96.

Adenocarcinoma with Intraductal Papillary Mucinous Neoplasm Arising in Jejunal Heterotopic Pancreas

Affiliations
  • 1Department of Pathology, Inha University School of Medicine, Incheon, Korea. jmkpath@inha.ac.kr
  • 2Department of General Surgery, Inha University School of Medicine, Incheon, Korea.

Abstract

A 74-year-old man suffered from jejunal perforation and adhesion to sigmoid colon due to adenocarcinoma associated with intraductal papillary mucinous neoplasm (IPMN) arising in a jejunal heterotopic pancreas. The jejunal lesion showed direct extension to the sigmoid colon, which was mistaken as sigmoid colon cancer by surgeons. Malignant transformation is a rare complication of a heterotopic pancreas. About half of malignancies in reported cases were ductal adenocarcinoma arising in the stomach, and the jejunal location is extremely rare. Furthermore, IPMN is also uncommon finding in a heterotopic pancreas.

Keyword

Adenocarcinoma; Jejunum; Heterotopia; Pancreas

MeSH Terms

Adenocarcinoma
Aged
Colon, Sigmoid
Humans
Jejunum
Mucins
Pancreas
Sigmoid Neoplasms
Stomach
Mucins
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