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Gastrointestinal
Diagnosis
Duodenum
Benign Neoplasms
Duodenal Polyps
Duodenal Polyps
Atif Zaheer, MD; Michael P. Federle, MD, FACR
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KEY FACTS

  • Imaging

    • Top Differential Diagnoses

      • Diagnostic Checklist

        TERMINOLOGY

        • Definitions

          • Protruding, space-occupying masses within duodenum

        IMAGING

        • General Features

          • Imaging Recommendations

            DIFFERENTIAL DIAGNOSIS

              PATHOLOGY

              • General Features

                • Gross Pathologic & Surgical Features

                  • Microscopic Features

                    CLINICAL ISSUES

                    • Presentation

                      • Demographics

                        • Natural History & Prognosis

                          • Treatment

                            DIAGNOSTIC CHECKLIST

                            • Consider

                              • Image Interpretation Pearls

                                Selected References

                                1. Jasti R et al: Small bowel neoplasms: a pictorial review. Radiographics. 40(4):1020-38, 2020
                                2. Yi L et al: A giant Brunner's gland hamartoma being treated as a pedunculated polyp: a case report. BMC Gastroenterol. 19(1):151, 2019
                                3. Wood LD et al: Upper GI tract lesions in familial adenomatous polyposis (FAP): enrichment of pyloric gland adenomas and other gastric and duodenal neoplasms. Am J Surg Pathol. 38(3):389-93, 2014
                                4. Tan CL et al: Muco-submucosal elongated polyps of the gastrointestinal tract: a case series and a review of the literature. World J Gastroenterol. 19(11):1845-9, 2013
                                5. Palanivelu C et al: Laparoscopic antrectomy for a proximal duodenal Brunner gland hamartoma. JSLS. 13(1):110-5, 2009
                                6. Velasco S et al: Scanographic features of gastrointestinal stromal tumors. Gastroenterol Clin Biol. 32(12):1001-13, 2008
                                7. Baichi MM et al: Small-bowel masses found and missed on capsule endoscopy for obscure bleeding. Scand J Gastroenterol. 42(9):1127-32, 2007
                                8. Iusco D et al: Brunner's gland hamartoma: 'over-treatment' of a voluminous mass simulating a malignancy of the pancreatic-duodenal area. JOP. 6(4):348-53, 2005
                                9. Jiang LL et al: [Hemangioma and vascular malformation of small intestine: a clinicopathologic analysis of fifty-one cases.] Zhonghua Bing Li Xue Za Zhi. 34(5):275-8, 2005
                                10. Levy AD et al: Duodenal carcinoids: imaging features with clinical-pathologic comparison. Radiology. 237(3):967-72, 2005
                                11. Piscitelli D et al: [Unusual presentation of metastatic osteosarcoma as a giant duodenal polyp. A case report.] Pathologica. 97(2):88-91, 2005
                                12. Tanţău M et al: Gastrointestinal lymphomatous polyposis--clinical, endoscopical and evolution features. A case report. Rom J Gastroenterol. 14(3):273-8, 2005
                                13. Waye JD et al: Approach to benign duodenal polyps. Gastrointest Endosc. 55(7):962-3, 2002
                                14. Buetow PC et al: Duodenal gangliocytic paraganglioma: CT, MR imaging, and US findings. Radiology. 204(3):745-7, 1997
                                15. Harned RK et al: Extracolonic manifestations of the familial adenomatous polyposis syndromes. AJR Am J Roentgenol. 156(3):481-5, 1991
                                Related Anatomy
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                                Related Differential Diagnoses
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                                References
                                Tables

                                Tables

                                KEY FACTS

                                • Imaging

                                  • Top Differential Diagnoses

                                    • Diagnostic Checklist

                                      TERMINOLOGY

                                      • Definitions

                                        • Protruding, space-occupying masses within duodenum

                                      IMAGING

                                      • General Features

                                        • Imaging Recommendations

                                          DIFFERENTIAL DIAGNOSIS

                                            PATHOLOGY

                                            • General Features

                                              • Gross Pathologic & Surgical Features

                                                • Microscopic Features

                                                  CLINICAL ISSUES

                                                  • Presentation

                                                    • Demographics

                                                      • Natural History & Prognosis

                                                        • Treatment

                                                          DIAGNOSTIC CHECKLIST

                                                          • Consider

                                                            • Image Interpretation Pearls

                                                              Selected References

                                                              1. Jasti R et al: Small bowel neoplasms: a pictorial review. Radiographics. 40(4):1020-38, 2020
                                                              2. Yi L et al: A giant Brunner's gland hamartoma being treated as a pedunculated polyp: a case report. BMC Gastroenterol. 19(1):151, 2019
                                                              3. Wood LD et al: Upper GI tract lesions in familial adenomatous polyposis (FAP): enrichment of pyloric gland adenomas and other gastric and duodenal neoplasms. Am J Surg Pathol. 38(3):389-93, 2014
                                                              4. Tan CL et al: Muco-submucosal elongated polyps of the gastrointestinal tract: a case series and a review of the literature. World J Gastroenterol. 19(11):1845-9, 2013
                                                              5. Palanivelu C et al: Laparoscopic antrectomy for a proximal duodenal Brunner gland hamartoma. JSLS. 13(1):110-5, 2009
                                                              6. Velasco S et al: Scanographic features of gastrointestinal stromal tumors. Gastroenterol Clin Biol. 32(12):1001-13, 2008
                                                              7. Baichi MM et al: Small-bowel masses found and missed on capsule endoscopy for obscure bleeding. Scand J Gastroenterol. 42(9):1127-32, 2007
                                                              8. Iusco D et al: Brunner's gland hamartoma: 'over-treatment' of a voluminous mass simulating a malignancy of the pancreatic-duodenal area. JOP. 6(4):348-53, 2005
                                                              9. Jiang LL et al: [Hemangioma and vascular malformation of small intestine: a clinicopathologic analysis of fifty-one cases.] Zhonghua Bing Li Xue Za Zhi. 34(5):275-8, 2005
                                                              10. Levy AD et al: Duodenal carcinoids: imaging features with clinical-pathologic comparison. Radiology. 237(3):967-72, 2005
                                                              11. Piscitelli D et al: [Unusual presentation of metastatic osteosarcoma as a giant duodenal polyp. A case report.] Pathologica. 97(2):88-91, 2005
                                                              12. Tanţău M et al: Gastrointestinal lymphomatous polyposis--clinical, endoscopical and evolution features. A case report. Rom J Gastroenterol. 14(3):273-8, 2005
                                                              13. Waye JD et al: Approach to benign duodenal polyps. Gastrointest Endosc. 55(7):962-3, 2002
                                                              14. Buetow PC et al: Duodenal gangliocytic paraganglioma: CT, MR imaging, and US findings. Radiology. 204(3):745-7, 1997
                                                              15. Harned RK et al: Extracolonic manifestations of the familial adenomatous polyposis syndromes. AJR Am J Roentgenol. 156(3):481-5, 1991