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Appendiceal Tumors
Michael P. Federle, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Definitions

            • Primary malignant neoplasm of appendix
              • Mucinous cystadenocarcinoma (90%)
              • Colonic-type adenocarcinoma (10%)
              • Lymphoma (< 1%)

          IMAGING

          • General Features

            • Radiographic Findings

              • Fluoroscopic Findings

                • Ultrasonographic Findings

                  • CT Findings

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Gross Pathologic & Surgical Features

                          • Microscopic Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Treatment

                                  Selected References

                                  1. Lord AC et al: Recurrence and outcome after complete tumour removal and hyperthermic intraperitoneal chemotherapy in 512 patients with pseudomyxoma peritonei from perforated appendiceal mucinous tumours. Eur J Surg Oncol. ePub, 2014
                                  2. Suárez-Grau JM et al: [Appendiceal carcinoid tumors. Evaluation of long-term outcomes in a tertiary level.] Cir Cir. 82(2):142-9, 2014
                                  3. Karakaya K et al: Appendiceal mucocele: case reports and review of current literature. World J Gastroenterol. 14(14):2280-3, 2008
                                  4. Saran RK et al: Organizing mucinous ascitis masquerading as pseudomyxoma peritonei: a process possibly caused by metaplasia but not neoplasia. J Surg Educ. 65(3):221-4, 2008
                                  5. Hebert JJ et al: MDCT diagnosis of an appendiceal mucocele with acute torsion. AJR Am J Roentgenol. 189(1):W4-6, 2007
                                  6. Pickhardt PJ et al: Primary neoplasms of the appendix: radiologic spectrum of disease with pathologic correlation. Radiographics. 23(3):645-62, 2003
                                  7. Lim HK et al: Primary mucinous cystadenocarcinoma of the appendix: CT findings. AJR Am J Roentgenol. 173(4):1071-4, 1999
                                  8. Madwed D et al: Mucocele of the appendix: imaging findings. AJR Am J Roentgenol. 159(1):69-72, 1992
                                  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

                                          • Definitions

                                            • Primary malignant neoplasm of appendix
                                              • Mucinous cystadenocarcinoma (90%)
                                              • Colonic-type adenocarcinoma (10%)
                                              • Lymphoma (< 1%)

                                          IMAGING

                                          • General Features

                                            • Radiographic Findings

                                              • Fluoroscopic Findings

                                                • Ultrasonographic Findings

                                                  • CT Findings

                                                    DIFFERENTIAL DIAGNOSIS

                                                      PATHOLOGY

                                                      • General Features

                                                        • Gross Pathologic & Surgical Features

                                                          • Microscopic Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Treatment

                                                                  Selected References

                                                                  1. Lord AC et al: Recurrence and outcome after complete tumour removal and hyperthermic intraperitoneal chemotherapy in 512 patients with pseudomyxoma peritonei from perforated appendiceal mucinous tumours. Eur J Surg Oncol. ePub, 2014
                                                                  2. Suárez-Grau JM et al: [Appendiceal carcinoid tumors. Evaluation of long-term outcomes in a tertiary level.] Cir Cir. 82(2):142-9, 2014
                                                                  3. Karakaya K et al: Appendiceal mucocele: case reports and review of current literature. World J Gastroenterol. 14(14):2280-3, 2008
                                                                  4. Saran RK et al: Organizing mucinous ascitis masquerading as pseudomyxoma peritonei: a process possibly caused by metaplasia but not neoplasia. J Surg Educ. 65(3):221-4, 2008
                                                                  5. Hebert JJ et al: MDCT diagnosis of an appendiceal mucocele with acute torsion. AJR Am J Roentgenol. 189(1):W4-6, 2007
                                                                  6. Pickhardt PJ et al: Primary neoplasms of the appendix: radiologic spectrum of disease with pathologic correlation. Radiographics. 23(3):645-62, 2003
                                                                  7. Lim HK et al: Primary mucinous cystadenocarcinoma of the appendix: CT findings. AJR Am J Roentgenol. 173(4):1071-4, 1999
                                                                  8. Madwed D et al: Mucocele of the appendix: imaging findings. AJR Am J Roentgenol. 159(1):69-72, 1992