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Ectopic Pancreatic Tissue
Siva P. Raman, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Abbreviations

            • Ectopic pancreatic tissue (EPT)
          • Synonyms

            • Pancreatic rests; heterotopic, aberrant, accessory pancreas
          • Definitions

            • Pancreatic tissue located outside of normal confines of pancreas and lacking any anatomic or vascular connection with main pancreas

          IMAGING

          • General Features

            • Radiographic Findings

              • CT Findings

                • MR Findings

                  • Other Modality Findings

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Microscopic Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    Selected References

                                    1. Jang KM et al: Ectopic pancreas in upper gastrointestinal tract: MRI findings with emphasis on differentiation from submucosal tumor. Acta Radiol. 54(10):1107-16, 2013
                                    2. Kalaitzakis E et al: Gastric ectopic pancreas: not always an innocent bystander. JOP. 14(6):684-5, 2013
                                    3. O'Malley RB et al: Case of the season: ectopic pancreas. Semin Roentgenol. 48(3):188-91, 2013
                                    4. Hur BY et al: Gastroduodenal glomus tumors: differentiation from other subepithelial lesions based on dynamic contrast-enhanced CT findings. AJR Am J Roentgenol. 197(6):1351-9, 2011
                                    5. Wei R et al: Upper gastrointestinal tract heterotopic pancreas: findings from CT and endoscopic imaging with histopathologic correlation. Clin Imaging. 35(5):353-9, 2011
                                    6. Kim JY et al: Ectopic pancreas: CT findings with emphasis on differentiation from small gastrointestinal stromal tumor and leiomyoma. Radiology. 252(1):92-100, 2009
                                    7. Nijs EL et al: Congenital and developmental pancreatic anomalies: ultrasound, computed tomography, and magnetic resonance imaging features. Semin Ultrasound CT MR. 28(5):395-401, 2007
                                    8. Mortelé KJ et al: Multimodality imaging of pancreatic and biliary congenital anomalies. Radiographics. 26(3):715-31, 2006
                                    9. Yu J et al: Congenital anomalies and normal variants of the pancreaticobiliary tract and the pancreas in adults: part 2, Pancreatic duct and pancreas. AJR Am J Roentgenol. 187(6):1544-53, 2006
                                    10. Nijs E et al: Disorders of the pediatric pancreas: imaging features. Pediatr Radiol. 35(4):358-73; quiz 457, 2005
                                    11. Benya EC: Pancreas and biliary system: imaging of developmental anomalies and diseases unique to children. Radiol Clin North Am. 40(6):1355-62, 2002
                                    12. Jeong HY et al: Adenocarcinoma arising from an ectopic pancreas in the stomach. Endoscopy. 34(12):1014-7, 2002
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Clinical Issues

                                            TERMINOLOGY

                                            • Abbreviations

                                              • Ectopic pancreatic tissue (EPT)
                                            • Synonyms

                                              • Pancreatic rests; heterotopic, aberrant, accessory pancreas
                                            • Definitions

                                              • Pancreatic tissue located outside of normal confines of pancreas and lacking any anatomic or vascular connection with main pancreas

                                            IMAGING

                                            • General Features

                                              • Radiographic Findings

                                                • CT Findings

                                                  • MR Findings

                                                    • Other Modality Findings

                                                      DIFFERENTIAL DIAGNOSIS

                                                        PATHOLOGY

                                                        • General Features

                                                          • Microscopic Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Natural History & Prognosis

                                                                  • Treatment

                                                                    DIAGNOSTIC CHECKLIST

                                                                    • Consider

                                                                      Selected References

                                                                      1. Jang KM et al: Ectopic pancreas in upper gastrointestinal tract: MRI findings with emphasis on differentiation from submucosal tumor. Acta Radiol. 54(10):1107-16, 2013
                                                                      2. Kalaitzakis E et al: Gastric ectopic pancreas: not always an innocent bystander. JOP. 14(6):684-5, 2013
                                                                      3. O'Malley RB et al: Case of the season: ectopic pancreas. Semin Roentgenol. 48(3):188-91, 2013
                                                                      4. Hur BY et al: Gastroduodenal glomus tumors: differentiation from other subepithelial lesions based on dynamic contrast-enhanced CT findings. AJR Am J Roentgenol. 197(6):1351-9, 2011
                                                                      5. Wei R et al: Upper gastrointestinal tract heterotopic pancreas: findings from CT and endoscopic imaging with histopathologic correlation. Clin Imaging. 35(5):353-9, 2011
                                                                      6. Kim JY et al: Ectopic pancreas: CT findings with emphasis on differentiation from small gastrointestinal stromal tumor and leiomyoma. Radiology. 252(1):92-100, 2009
                                                                      7. Nijs EL et al: Congenital and developmental pancreatic anomalies: ultrasound, computed tomography, and magnetic resonance imaging features. Semin Ultrasound CT MR. 28(5):395-401, 2007
                                                                      8. Mortelé KJ et al: Multimodality imaging of pancreatic and biliary congenital anomalies. Radiographics. 26(3):715-31, 2006
                                                                      9. Yu J et al: Congenital anomalies and normal variants of the pancreaticobiliary tract and the pancreas in adults: part 2, Pancreatic duct and pancreas. AJR Am J Roentgenol. 187(6):1544-53, 2006
                                                                      10. Nijs E et al: Disorders of the pediatric pancreas: imaging features. Pediatr Radiol. 35(4):358-73; quiz 457, 2005
                                                                      11. Benya EC: Pancreas and biliary system: imaging of developmental anomalies and diseases unique to children. Radiol Clin North Am. 40(6):1355-62, 2002
                                                                      12. Jeong HY et al: Adenocarcinoma arising from an ectopic pancreas in the stomach. Endoscopy. 34(12):1014-7, 2002