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Ectopic Pancreas Imitating Gastrointestinal Stromal Tumor (GIST) In The Stomach

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Zińczuk J., Bandurski R., Pryczynicz A., Konarzewska-Duchnowska E., Kemona A., Kędra B.
Polish Journal of Surgery
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2015
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vol. 87
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issue 5
268-271
EN
Ectopic pancreas is a rare congenital disorder defined as pancreatic tissue lacking vascular or anatomic communication with the normal body of the pancreas. Most cases of ectopic pancreas are asymptomatic, but it may become clinically evident depending on the size, location and the pathological changes similar to those observed in case of the normal pancreas. It is often an incidental finding and can be located at different sites in the gastrointestinal tract. The most common locations are: the stomach, duodenum or the proximal part of small intestine. The risk of malignancy, bleeding and occlusion are the most serious complications. Despite the development in diagnostics, it still remains a challenge for the clinician to differentiate it from neoplasm. In this report, we described a case of 28-years old woman who presented recurrent epigastric pain. The upper gastrointestinal endoscopy revealed gastrointestinal stromal tumor on the border of the body and antrum of the back wall of great curvature of the stomach. The histopathological examination after surgery showed heterotopic pancreatic tissue. Ectopic pancreas should be considered in the differential diagnosis of gastric mass lesions.
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Heterotopic Pancreas in the Stomach (Type II According to Heinrich) - Literature Review and Case Report

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Karpińska M., Nienartowicz M., Markowska-Woyciechowska A., Budrewicz-Czapska K.
Polish Journal of Surgery
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2011
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vol. 83
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issue 3
171-174
EN
Heterotopic pancreas is a rare congenital disorder characterized by the presence of normal pancreatic tissue located outside the pancreas. The most common locations include the duodenum, stomach, and jejunum. Most cases of heterotopic pancreas are asymptomatic. However, the development of clinical symptoms depends on the size, location and pathological changes similar to those observed in case of the normal pancreas. The Authors presented a case of multiple stomach heterotopic pancreatic lesions in an adult male patient. The atypical clinical presentation including non-specific endoscopic and CT images were responsible for the misdiagnosis before surgery. The patient underwent surgery. The tumor located in the posterior wall of the body of the stomach was excised by wedge resection. The postoperative course proved uneventful. Proper diagnosis was established on the basis of the histopathological examination of the resected tumor: heterotopic pancreas-multiple lesions, type II, according to Heinrich. The presented case report demonstrated that heterotopic pancreas should always be considered in the differential diagnosis of gastric tumors.
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