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Intramural (Mesenchymal) Intestinal Tumors
Atif Zaheer, MD, FSARMichael P. Federle, MD, FACR
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KEY FACTS

  • Imaging

    • Top Differential Diagnoses

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Definitions

            • Neoplasm composed of 1 or more tissue elements of small bowel (SB) wall

          IMAGING

          • General Features

            • Radiographic Findings

              DIFFERENTIAL DIAGNOSIS

                PATHOLOGY

                • General Features

                  • Gross Pathologic & Surgical Features

                    CLINICAL ISSUES

                    • Presentation

                      • Natural History & Prognosis

                        • Treatment

                          DIAGNOSTIC CHECKLIST

                          • Consider

                            • Image Interpretation Pearls

                              Selected References

                              1. Maldonado FJ et al: Reproducible imaging features of biologically aggressive gastrointestinal stromal tumors of the small bowel. Abdom Radiol (NY). 43(7):1567-74, 2018
                              2. Mekras A et al: Gastrointestinal schwannomas: a rare but important differential diagnosis of mesenchymal tumors of gastrointestinal tract. BMC Surg. 18(1):47, 2018
                              3. Shinya T et al: Small bowel neoplasms: enhancement patterns and differentiation using post-contrast multiphasic multidetector CT. Abdom Radiol (NY). 42(3):794-801, 2017
                              4. Williamson JM et al: Small bowel tumors: pathology and management. J Med Assoc Thai. 97(1):126-37, 2014
                              5. Chiang JM et al: Tumor spectrum of adult intussusception. J Surg Oncol. 2008 Nov 1;98(6):444-7. Erratum in: J Surg Oncol. 99(7):457, 2009
                              6. Dultz LA et al: Ileocecal valve lipoma with refractory hemorrhage. JSLS. 13(1):80-3, 2009
                              7. Lee CH et al: Ileal angiomyolipoma manifested by small intestinal intussusception. World J Gastroenterol. 15(11):1398-400, 2009
                              8. Machado-Aranda D et al: Prevalence and management of gastrointestinal stromal tumors. Am Surg. 75(1):55-60, 2009
                              9. Otomi Y et al: A case of von Recklinghausen's disease with coincident malignant peripheral nerve sheath tumor and gastrointestinal stromal tumor. J Med Invest. 56(1-2):76-9, 2009
                              10. Rabin I et al: Gastrointestinal stromal tumors: a 19 year experience. Isr Med Assoc J. 11(2):98-102, 2009
                              11. Chou JW et al: Obscure gastrointestinal bleeding caused by small bowel lipoma. Intern Med. 47(18):1601-3, 2008
                              12. Levy AD et al: Gastrointestinal stromal tumors: radiologic features with pathologic correlation. Radiographics. 23(2):283-304, 456; quiz 532, 2003
                              13. Laurent F et al: CT of small-bowel neoplasms. Semin Ultrasound CT MR. 16(2):102-11, 1995
                              14. Solomon A et al: Computed tomographic investigation of serosal and intramural gastrointestinal pathology. Gastrointest Radiol. 12(1):13-7, 1987
                              Related Anatomy
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                              Related Differential Diagnoses
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                              References
                              Tables

                              Tables

                              KEY FACTS

                              • Imaging

                                • Top Differential Diagnoses

                                  • Clinical Issues

                                    • Diagnostic Checklist

                                      TERMINOLOGY

                                      • Definitions

                                        • Neoplasm composed of 1 or more tissue elements of small bowel (SB) wall

                                      IMAGING

                                      • General Features

                                        • Radiographic Findings

                                          DIFFERENTIAL DIAGNOSIS

                                            PATHOLOGY

                                            • General Features

                                              • Gross Pathologic & Surgical Features

                                                CLINICAL ISSUES

                                                • Presentation

                                                  • Natural History & Prognosis

                                                    • Treatment

                                                      DIAGNOSTIC CHECKLIST

                                                      • Consider

                                                        • Image Interpretation Pearls

                                                          Selected References

                                                          1. Maldonado FJ et al: Reproducible imaging features of biologically aggressive gastrointestinal stromal tumors of the small bowel. Abdom Radiol (NY). 43(7):1567-74, 2018
                                                          2. Mekras A et al: Gastrointestinal schwannomas: a rare but important differential diagnosis of mesenchymal tumors of gastrointestinal tract. BMC Surg. 18(1):47, 2018
                                                          3. Shinya T et al: Small bowel neoplasms: enhancement patterns and differentiation using post-contrast multiphasic multidetector CT. Abdom Radiol (NY). 42(3):794-801, 2017
                                                          4. Williamson JM et al: Small bowel tumors: pathology and management. J Med Assoc Thai. 97(1):126-37, 2014
                                                          5. Chiang JM et al: Tumor spectrum of adult intussusception. J Surg Oncol. 2008 Nov 1;98(6):444-7. Erratum in: J Surg Oncol. 99(7):457, 2009
                                                          6. Dultz LA et al: Ileocecal valve lipoma with refractory hemorrhage. JSLS. 13(1):80-3, 2009
                                                          7. Lee CH et al: Ileal angiomyolipoma manifested by small intestinal intussusception. World J Gastroenterol. 15(11):1398-400, 2009
                                                          8. Machado-Aranda D et al: Prevalence and management of gastrointestinal stromal tumors. Am Surg. 75(1):55-60, 2009
                                                          9. Otomi Y et al: A case of von Recklinghausen's disease with coincident malignant peripheral nerve sheath tumor and gastrointestinal stromal tumor. J Med Invest. 56(1-2):76-9, 2009
                                                          10. Rabin I et al: Gastrointestinal stromal tumors: a 19 year experience. Isr Med Assoc J. 11(2):98-102, 2009
                                                          11. Chou JW et al: Obscure gastrointestinal bleeding caused by small bowel lipoma. Intern Med. 47(18):1601-3, 2008
                                                          12. Levy AD et al: Gastrointestinal stromal tumors: radiologic features with pathologic correlation. Radiographics. 23(2):283-304, 456; quiz 532, 2003
                                                          13. Laurent F et al: CT of small-bowel neoplasms. Semin Ultrasound CT MR. 16(2):102-11, 1995
                                                          14. Solomon A et al: Computed tomographic investigation of serosal and intramural gastrointestinal pathology. Gastrointest Radiol. 12(1):13-7, 1987