Gastric outlet obstruction secondary to heterotopic pancreas in the antrum: Case report and review

Abstract

Heterotopic (aberrant) pancreas, a rare entity, is defined as the presence of pancreatic tissue without anatomic and vascular continuity with the pancreas itself. It can occur anywhere in the GI tract. 1 Armstrong CP King PM Dixon JM Macleod IB. The clinical significance of heterotopic pancreas in the gastrointestinal tract. B J Surg. 1981; 68: 384-387 Crossref PubMed Scopus (181) Google Scholar In most cases heterotopic pancreas does not cause symptoms, 1 Armstrong CP King PM Dixon JM Macleod IB. The clinical significance of heterotopic pancreas in the gastrointestinal tract. B J Surg. 1981; 68: 384-387 Crossref PubMed Scopus (181) Google Scholar but it can occasionally present as dyspepsia, 1 Armstrong CP King PM Dixon JM Macleod IB. The clinical significance of heterotopic pancreas in the gastrointestinal tract. B J Surg. 1981; 68: 384-387 Crossref PubMed Scopus (181) Google Scholar ectopic pancreatitis, 2 Burke GW Binder SC Barron AM Dratch PL Ulmas J. Heterotopic pancreas: gastric outlet obstruction secondary to pancreatitis and pancreatic pseudocyst. Am J Gastroenterol. 1989; 84: 52-55 PubMed Google Scholar upper GI bleeding, 3 Covarelli P Cirocchi R Bellochi R Ricci P Morozzi B Nonno S et al. Upper digestive hemorrhage as a rare manifestation of ectopic pancreas with gastric localization. G Chir. 1997; 18: 97-100 PubMed Google Scholar and as an inflammatory abdominal mass. 4 Kaneda M Yano T Yamamoto T Suzuki T Fujimori K Itoh H et al. Ectopic pancreas in the stomach presenting as an inflammatory abdominal mass. Am J Gastroenterol. 1989; 84: 663-666 PubMed Google Scholar Rarely, heterotopic pancreas has been reported as the cause of gastric outlet obstruction. 5 Kreig EG. Heterotopic pancreatic tissue producing pyloric obstruction: a review and case Report. Ann Surg. 1941; 113: 364-370 Crossref PubMed Google Scholar , 6 DeBord JR Majarakis JD Nyhus LM. An unusual case of heterotopic pancreas of the stomach. Am J Surg. 1981; 141: 269-273 Abstract Full Text PDF PubMed Scopus (39) Google Scholar This is a report of a case of gastric outlet obstruction resulting from pancreatic heterotopia in the gastric antrum.