Ectopic Gastric Submucosal Pancreatic Tissue

George H Sakorafas1, Michael G Sarr2
1Department of Surgery, 251 Hellenic Air Force Hospital. Athens, Greece.
2Department of Surgery, Mayo Clinic. Rochester, MN, USA
A 37-year-old woman was found to have a
submucosal mass in the gastric antrum. She
presented with recurrent episodes of right
upper quadrant pain. Evaluation included a
normal abdominal ultrasonography and
esophagogastroduodenoscopy, which revealed
a benign appearing 1 cm sessile polypoid
mass in the gastric antrum (Image 1). The
gastric mucosa over the mass was normal
both visually and histopathologically on
biopsies.
Endoscopic
ultrasonography
revealed a 1x0.5 cm submucosal mass (Image
2). The patient strongly desired having this
removed and, therefore, was operated with the
presumed diagnosis of a gastric leiomyoma.
The mass, easily identified at surgery, was
removed through a gastrotomy. Histology
revealed ectopic pancreatic tissue within the
gastric submucosa.
While this is not an uncommon finding on the
serosa of the small bowel (Image 3), a
submucosal pancreatic rest is quite unusual
[1, 2, 3].
Image 1
Image 2
Image 3
Received September 11th, 2003 - Accepted
September, 30th, 2003
Keywords Abnormalities; Anatomy; Case
Report; Diagnostic Imaging; Histology;
Pancreas
Correspondence
George H Sakorafas
Arkadias 19-21
GR-115 26 Athens

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References
1. Matsushita M, Takakuwa H, Nishio A.
Endosonographic features of gastric adenomyoma, a
type of ectopic pancreas. Endoscopy 2003; 35:621-2.
[PMID 12822101]
2. Gottschalk U, Casper B, Boden G. Ectopic
pancreas presenting as a large gastric antral papilla.
Endoscopy 2003; 35:547. [PMID 12783360]
3. Harold KL, Sturdevant M, Matthews BD, Mishra
G, Heniford BT. Ectopic pancreatic tissue presenting as
submucosal gastric mass. J Laparoendosc Adv Surg
Tech 2002; 12:333-8. [PMID 12470407

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