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KMID : 0359019930130010041
Korean Journal of Gastrointestinal Endoscopy
1993 Volume.13 No. 1 p.41 ~ p.44
A Case of Heterotopic Pancreas within the Gastric Proper Muscle Layer
허승식
육은주/임의혁/성자원/김병호/이기천/정현용/이헌영/김영건
Abstract
Heterotopic or ectopic pancreas is found in 0.5% to 13% autopsy series and also found one in approximately every 500 operations in abdominal surgery. The most common sites are stomach (esp. greater curvature of the antrum), duodenum and proximal
jejunum. Many or most of these lesions do not cause clinical symptoms and the symptoms with heterotopic pancreas are nonspecific. When it produced complication(hemorrhage, pancreatitis, pyloric or CBD obstruction, pseudocyst, cancer ets.), the
symptoms
depend on the site of lesion, the size of mass and the primary pathologic processes occurring within the heterotopic pancreatic tissue. Gastrofiberoscopy revealed a small round, submucosal projection with a central niche or umblication, but this
characteristic umbilication is not always present. The lesions are frequently confused with polyp, leiomyoma, intramural neoplasm, gastric ulcer and early gastric cancer. The tumors are predominantly intramural masses; 75 percent are submucosal
and
the
others are either intramuscular or subserosal.
We have recently experienced a case of heterotopic pancreas on the antrum of greater curvature of stomach in 54-year-old man, who visited our hospital for melena. Gastrofiberoscopy revealed a 2×2cm sized submucosal mass without bleeding focus
and
local
excision was performed. Histologic finding showed a pancreatic acini within the gastric poper muscle layer
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