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Retroperitoneal Neurogenic Tumor
Bryan R. Foster, MD; Matthew T. Heller, MD, FSAR
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KEY FACTS

  • Top Differential Diagnoses

    • Diagnostic Checklist

      TERMINOLOGY

      • Definitions

        • Primary retroperitoneal (RP) tumors arising from ganglion cells, parasympathetic system, or nerve sheaths
      • Overview

        • Neurogenic tumors: 10-20% of primary RP tumors
        • Neurogenic tumors can arise from
          • Ganglionic cells (ganglioneuroma, ganglioneuroblastoma, neuroblastoma)
          • Paraganglionic cells (paraganglioma)
          • Nerve sheath (schwannoma, neurofibroma, malignant nerve sheath tumor)
        • Neurogenic tumors affect younger population, are more likely to be benign, and have better prognosis compared to other RP masses

      DIFFERENTIAL DIAGNOSIS

        DIAGNOSTIC CHECKLIST

        • Image Interpretation Pearls

          Selected References

          1. Czeyda-Pommersheim F et al: Diagnostic approach to primary retroperitoneal pathologies: what the radiologist needs to know. Abdom Radiol (NY). 46(3):1062-81, 2021
          2. Bansal M et al: Unusual appearance of an adrenal ganglioneuroma. Radiol Case Rep. 16(2):396-9, 2021
          3. Dariane C et al: An update on adult forms of hereditary pheochromocytomas and paragangliomas. Curr Opin Oncol. 33(1):23-32, 2021
          4. Dewey BJ et al: FDG PET/CT and MRI features of pathologically proven schwannomas. Clin Nucl Med. ePub, 2021
          5. Shao M et al: Computed tomography characteristics of adrenal ganglioneuroma: a retrospective analysis of 30 pathologically-confirmed cases. J Int Med Res. 48(11):300060520945510, 2020
          6. Shen Y et al: MR imaging features of benign retroperitoneal paragangliomas and schwannomas. BMC Neurol. 18(1):1, 2018
          7. Sangster GP et al: The gamut of primary retroperitoneal masses: multimodality evaluation with pathologic correlation. Abdom Radiol (NY). 41(7):1411-30, 2016
          8. Scali EP et al: Primary retroperitoneal masses: what is the differential diagnosis? Abdom Imaging. 40(6):1887-903, 2015
          9. Lubner MG et al: Primary malignant tumors of peritoneal and retroperitoneal origin: clinical and imaging features. Surg Oncol Clin N Am. 23(4):821-45, 2014
          10. Ozcan HN et al: Radiological manifestations of abdominopelvic nerve tumours seen in neurofibromatosis type 1. Clin Radiol. 69(4):431-5, 2014
          11. Osman S et al: A comprehensive review of the retroperitoneal anatomy, neoplasms, and pattern of disease spread. Curr Probl Diagn Radiol. 42(5):191-208, 2013
          12. Goenka AH et al: Imaging of the retroperitoneum. Radiol Clin North Am. 50(2):333-55, vii, 2012
          13. Shanbhogue AK et al: Uncommon primary pelvic retroperitoneal masses in adults: a pattern-based imaging approach. Radiographics. 32(3):795-817, 2012
          14. Rajiah P et al: Imaging of uncommon retroperitoneal masses. Radiographics. 31(4):949-76, 2011
          15. Strauss DC et al: Retroperitoneal tumours: review of management. Ann R Coll Surg Engl. 93(4):275-80, 2011
          16. Sangster G et al: Primary retroperitoneal paraganglioma simulating a pancreatic mass: a case report and review of the literature. HPB Surg. 2010:645728, 2010
          17. Ishigami K et al: Lesions arising in or involving the iliopsoas groove. J Comput Assist Tomogr. 32(6):975-81, 2008
          18. Lee WH et al: Benign schwannoma of the liver: a case report. J Korean Med Sci. 23(4):727-30, 2008
          19. Oue T et al: Total laparoscopic excision of retroperitoneal ganglioneuroma using the hanging method and a vessel-sealing device. J Laparoendosc Adv Surg Tech A. 18(5):779-82, 2008
          20. Rha SE et al: Neurogenic tumors in the abdomen: tumor types and imaging characteristics. Radiographics. 23(1):29-43, 2003
          Related Anatomy
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          Related Differential Diagnoses
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          References
          Tables

          Tables

          KEY FACTS

          • Top Differential Diagnoses

            • Diagnostic Checklist

              TERMINOLOGY

              • Definitions

                • Primary retroperitoneal (RP) tumors arising from ganglion cells, parasympathetic system, or nerve sheaths
              • Overview

                • Neurogenic tumors: 10-20% of primary RP tumors
                • Neurogenic tumors can arise from
                  • Ganglionic cells (ganglioneuroma, ganglioneuroblastoma, neuroblastoma)
                  • Paraganglionic cells (paraganglioma)
                  • Nerve sheath (schwannoma, neurofibroma, malignant nerve sheath tumor)
                • Neurogenic tumors affect younger population, are more likely to be benign, and have better prognosis compared to other RP masses

              DIFFERENTIAL DIAGNOSIS

                DIAGNOSTIC CHECKLIST

                • Image Interpretation Pearls

                  Selected References

                  1. Czeyda-Pommersheim F et al: Diagnostic approach to primary retroperitoneal pathologies: what the radiologist needs to know. Abdom Radiol (NY). 46(3):1062-81, 2021
                  2. Bansal M et al: Unusual appearance of an adrenal ganglioneuroma. Radiol Case Rep. 16(2):396-9, 2021
                  3. Dariane C et al: An update on adult forms of hereditary pheochromocytomas and paragangliomas. Curr Opin Oncol. 33(1):23-32, 2021
                  4. Dewey BJ et al: FDG PET/CT and MRI features of pathologically proven schwannomas. Clin Nucl Med. ePub, 2021
                  5. Shao M et al: Computed tomography characteristics of adrenal ganglioneuroma: a retrospective analysis of 30 pathologically-confirmed cases. J Int Med Res. 48(11):300060520945510, 2020
                  6. Shen Y et al: MR imaging features of benign retroperitoneal paragangliomas and schwannomas. BMC Neurol. 18(1):1, 2018
                  7. Sangster GP et al: The gamut of primary retroperitoneal masses: multimodality evaluation with pathologic correlation. Abdom Radiol (NY). 41(7):1411-30, 2016
                  8. Scali EP et al: Primary retroperitoneal masses: what is the differential diagnosis? Abdom Imaging. 40(6):1887-903, 2015
                  9. Lubner MG et al: Primary malignant tumors of peritoneal and retroperitoneal origin: clinical and imaging features. Surg Oncol Clin N Am. 23(4):821-45, 2014
                  10. Ozcan HN et al: Radiological manifestations of abdominopelvic nerve tumours seen in neurofibromatosis type 1. Clin Radiol. 69(4):431-5, 2014
                  11. Osman S et al: A comprehensive review of the retroperitoneal anatomy, neoplasms, and pattern of disease spread. Curr Probl Diagn Radiol. 42(5):191-208, 2013
                  12. Goenka AH et al: Imaging of the retroperitoneum. Radiol Clin North Am. 50(2):333-55, vii, 2012
                  13. Shanbhogue AK et al: Uncommon primary pelvic retroperitoneal masses in adults: a pattern-based imaging approach. Radiographics. 32(3):795-817, 2012
                  14. Rajiah P et al: Imaging of uncommon retroperitoneal masses. Radiographics. 31(4):949-76, 2011
                  15. Strauss DC et al: Retroperitoneal tumours: review of management. Ann R Coll Surg Engl. 93(4):275-80, 2011
                  16. Sangster G et al: Primary retroperitoneal paraganglioma simulating a pancreatic mass: a case report and review of the literature. HPB Surg. 2010:645728, 2010
                  17. Ishigami K et al: Lesions arising in or involving the iliopsoas groove. J Comput Assist Tomogr. 32(6):975-81, 2008
                  18. Lee WH et al: Benign schwannoma of the liver: a case report. J Korean Med Sci. 23(4):727-30, 2008
                  19. Oue T et al: Total laparoscopic excision of retroperitoneal ganglioneuroma using the hanging method and a vessel-sealing device. J Laparoendosc Adv Surg Tech A. 18(5):779-82, 2008
                  20. Rha SE et al: Neurogenic tumors in the abdomen: tumor types and imaging characteristics. Radiographics. 23(1):29-43, 2003