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Sinonasal Inverted Papilloma
Yoshimi Anzai, MD, MPH
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KEY FACTS

  • Imaging

    • Top Differential Diagnoses

      • Pathology

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Inverted papilloma (IPap)
            • Synonyms

              • Endophytic papilloma, schneiderian papilloma, squamous cell papilloma, transitional cell papilloma, cylindrical epithelioma
            • Definitions

              • Benign epithelial tumor of nasal mucosa with histology showing epithelium proliferating into underlying stroma

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Imaging Recommendations

                    • Nuclear Medicine Findings

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Staging, Grading, & Classification

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          • Image Interpretation Pearls

                                            Selected References

                                            1. Adriaensen GF et al: Challenges in the management of inverted papilloma: a review of 72 revision cases. Laryngoscope. 126(2):322-8, 2016
                                            2. Zhao RW et al: Human papillomavirus infection and the malignant transformation of sinonasal inverted papilloma: a meta-analysis. J Clin Virol. 79:36-43, 2016
                                            3. Hong SL et al: Smoking and malignancy in sinonasal inverted papilloma. Laryngoscope. 123(5):1087-91, 2013
                                            4. Jeon TY et al: 18F-FDG PET/CT findings of sinonasal inverted papilloma with or without coexistent malignancy: comparison with MR imaging findings in eight patients. Neuroradiology. 51(4):265-71, 2009
                                            5. Karkos PD et al: Computed tomography and/or magnetic resonance imaging for pre-operative planning for inverted nasal papilloma: review of evidence. J Laryngol Otol. 123(7):705-9, 2009
                                            6. Kim WS et al: Treatment outcomes of sinonasal inverted papillomas according to surgical approaches. Acta Otolaryngol. Epub ahead of print, 2009
                                            7. Sham CL et al: A case-control study of the risk factors associated with sinonasal inverted papilloma. Am J Rhinol Allergy. Epub ahead of print, 2009
                                            8. Sham CL et al: Treatment results of sinonasal inverted papilloma: an 18-year study. Am J Rhinol Allergy. 23(2):203-11, 2009
                                            9. Jeon TY et al: Sinonasal inverted papilloma: value of convoluted cerebriform pattern on MR imaging. AJNR Am J Neuroradiol. 29(8):1556-60, 2008
                                            10. Sham CL et al: The roles and limitations of computed tomography in the preoperative assessment of sinonasal inverted papillomas. Am J Rhinol. 22(2):144-50, 2008
                                            11. Cannady SB et al: New staging system for sinonasal inverted papilloma in the endoscopic era. Laryngoscope. 117(7):1283-7, 2007
                                            12. Head CS et al: Radiographic assessment of inverted papilloma. Acta Otolaryngol. 127(5):515-20, 2007
                                            13. Lee DK et al: Focal hyperostosis on CT of sinonasal inverted papilloma as a predictor of tumor origin. AJNR Am J Neuroradiol. 28(4):618-21, 2007
                                            14. Mirza S et al: Sinonasal inverted papillomas: recurrence, and synchronous and metachronous malignancy. J Laryngol Otol. 121(9):857-64, 2007
                                            15. Shojaku H et al: Positron emission tomography for predicting malignancy of sinonasal inverted papilloma. Clin Nucl Med. 32(4):275-8, 2007
                                            16. Stephen JK et al: Epigenetic events underlie the pathogenesis of sinonasal papillomas. Mod Pathol. 20(10):1019-27, 2007
                                            17. von Buchwald C et al: Risks of malignancy in inverted papilloma of the nose and paranasal sinuses. Curr Opin Otolaryngol Head Neck Surg. 15(2):95-8, 2007
                                            18. Yousuf K et al: Site of attachment of inverted papilloma predicted by CT findings of osteitis. Am J Rhinol. 21(1):32-6, 2007
                                            19. Chiu AG et al: Radiographic and histologic analysis of the bone underlying inverted papillomas. Laryngoscope. 116(9):1617-20, 2006
                                            20. Melroy CT et al: Benign sinonasal neoplasms: a focus on inverting papilloma. Otolaryngol Clin North Am. 39(3):601-17, x, 2006
                                            21. Maroldi R et al: Magnetic resonance imaging findings of inverted papilloma: differential diagnosis with malignant sinonasal tumors. Am J Rhinol. 18(5):305-10, 2004
                                            22. Tomenzoli D et al: Different endoscopic surgical strategies in the management of inverted papilloma of the sinonasal tract: experience with 47 patients. Laryngoscope. 114(2):193-200, 2004
                                            23. Klimek T et al: Inverted papilloma of the nasal cavity and paranasal sinuses: clinical data, surgical strategy and recurrence rates. Acta Otolaryngol. 120(2):267-72, 2000
                                            24. Ojiri H et al: Potentially distinctive features of sinonasal inverted papilloma on MR imaging. AJR Am J Roentgenol. 175(2):465-8, 2000
                                            25. Petit P et al: Radiological follow-up of inverted papilloma. Eur Radiol. 10(7):1184-9, 2000
                                            26. Savy L et al: Optimum imaging for inverted papilloma. J Laryngol Otol. 114(11):891-3, 2000
                                            27. Dammann F et al: Inverted papilloma of the nasal cavity and the paranasal sinuses: using CT for primary diagnosis and follow-up. AJR Am J Roentgenol. 172(2):543-8, 1999
                                            28. Roobottom CA et al: Primary and recurrent inverting papilloma: appearances with magnetic resonance imaging. Clin Radiol. 50(7):472-5, 1995
                                            29. Yousem DM et al: Inverted papilloma: evaluation with MR imaging. Radiology. 185(2):501-5, 1992
                                            30. Phillips PP et al: The clinical behavior of inverting papilloma of the nose and paranasal sinuses: report of 112 cases and review of the literature. Laryngoscope. 100(5):463-9, 1990
                                            Related Anatomy
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                                            Related Differential Diagnoses
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                                            References
                                            Tables

                                            Tables

                                            KEY FACTS

                                            • Imaging

                                              • Top Differential Diagnoses

                                                • Pathology

                                                  • Clinical Issues

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Abbreviations

                                                        • Inverted papilloma (IPap)
                                                      • Synonyms

                                                        • Endophytic papilloma, schneiderian papilloma, squamous cell papilloma, transitional cell papilloma, cylindrical epithelioma
                                                      • Definitions

                                                        • Benign epithelial tumor of nasal mucosa with histology showing epithelium proliferating into underlying stroma

                                                      IMAGING

                                                      • General Features

                                                        • CT Findings

                                                          • MR Findings

                                                            • Imaging Recommendations

                                                              • Nuclear Medicine Findings

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Staging, Grading, & Classification

                                                                      • Gross Pathologic & Surgical Features

                                                                        • Microscopic Features

                                                                          CLINICAL ISSUES

                                                                          • Presentation

                                                                            • Demographics

                                                                              • Natural History & Prognosis

                                                                                • Treatment

                                                                                  DIAGNOSTIC CHECKLIST

                                                                                  • Consider

                                                                                    • Image Interpretation Pearls

                                                                                      Selected References

                                                                                      1. Adriaensen GF et al: Challenges in the management of inverted papilloma: a review of 72 revision cases. Laryngoscope. 126(2):322-8, 2016
                                                                                      2. Zhao RW et al: Human papillomavirus infection and the malignant transformation of sinonasal inverted papilloma: a meta-analysis. J Clin Virol. 79:36-43, 2016
                                                                                      3. Hong SL et al: Smoking and malignancy in sinonasal inverted papilloma. Laryngoscope. 123(5):1087-91, 2013
                                                                                      4. Jeon TY et al: 18F-FDG PET/CT findings of sinonasal inverted papilloma with or without coexistent malignancy: comparison with MR imaging findings in eight patients. Neuroradiology. 51(4):265-71, 2009
                                                                                      5. Karkos PD et al: Computed tomography and/or magnetic resonance imaging for pre-operative planning for inverted nasal papilloma: review of evidence. J Laryngol Otol. 123(7):705-9, 2009
                                                                                      6. Kim WS et al: Treatment outcomes of sinonasal inverted papillomas according to surgical approaches. Acta Otolaryngol. Epub ahead of print, 2009
                                                                                      7. Sham CL et al: A case-control study of the risk factors associated with sinonasal inverted papilloma. Am J Rhinol Allergy. Epub ahead of print, 2009
                                                                                      8. Sham CL et al: Treatment results of sinonasal inverted papilloma: an 18-year study. Am J Rhinol Allergy. 23(2):203-11, 2009
                                                                                      9. Jeon TY et al: Sinonasal inverted papilloma: value of convoluted cerebriform pattern on MR imaging. AJNR Am J Neuroradiol. 29(8):1556-60, 2008
                                                                                      10. Sham CL et al: The roles and limitations of computed tomography in the preoperative assessment of sinonasal inverted papillomas. Am J Rhinol. 22(2):144-50, 2008
                                                                                      11. Cannady SB et al: New staging system for sinonasal inverted papilloma in the endoscopic era. Laryngoscope. 117(7):1283-7, 2007
                                                                                      12. Head CS et al: Radiographic assessment of inverted papilloma. Acta Otolaryngol. 127(5):515-20, 2007
                                                                                      13. Lee DK et al: Focal hyperostosis on CT of sinonasal inverted papilloma as a predictor of tumor origin. AJNR Am J Neuroradiol. 28(4):618-21, 2007
                                                                                      14. Mirza S et al: Sinonasal inverted papillomas: recurrence, and synchronous and metachronous malignancy. J Laryngol Otol. 121(9):857-64, 2007
                                                                                      15. Shojaku H et al: Positron emission tomography for predicting malignancy of sinonasal inverted papilloma. Clin Nucl Med. 32(4):275-8, 2007
                                                                                      16. Stephen JK et al: Epigenetic events underlie the pathogenesis of sinonasal papillomas. Mod Pathol. 20(10):1019-27, 2007
                                                                                      17. von Buchwald C et al: Risks of malignancy in inverted papilloma of the nose and paranasal sinuses. Curr Opin Otolaryngol Head Neck Surg. 15(2):95-8, 2007
                                                                                      18. Yousuf K et al: Site of attachment of inverted papilloma predicted by CT findings of osteitis. Am J Rhinol. 21(1):32-6, 2007
                                                                                      19. Chiu AG et al: Radiographic and histologic analysis of the bone underlying inverted papillomas. Laryngoscope. 116(9):1617-20, 2006
                                                                                      20. Melroy CT et al: Benign sinonasal neoplasms: a focus on inverting papilloma. Otolaryngol Clin North Am. 39(3):601-17, x, 2006
                                                                                      21. Maroldi R et al: Magnetic resonance imaging findings of inverted papilloma: differential diagnosis with malignant sinonasal tumors. Am J Rhinol. 18(5):305-10, 2004
                                                                                      22. Tomenzoli D et al: Different endoscopic surgical strategies in the management of inverted papilloma of the sinonasal tract: experience with 47 patients. Laryngoscope. 114(2):193-200, 2004
                                                                                      23. Klimek T et al: Inverted papilloma of the nasal cavity and paranasal sinuses: clinical data, surgical strategy and recurrence rates. Acta Otolaryngol. 120(2):267-72, 2000
                                                                                      24. Ojiri H et al: Potentially distinctive features of sinonasal inverted papilloma on MR imaging. AJR Am J Roentgenol. 175(2):465-8, 2000
                                                                                      25. Petit P et al: Radiological follow-up of inverted papilloma. Eur Radiol. 10(7):1184-9, 2000
                                                                                      26. Savy L et al: Optimum imaging for inverted papilloma. J Laryngol Otol. 114(11):891-3, 2000
                                                                                      27. Dammann F et al: Inverted papilloma of the nasal cavity and the paranasal sinuses: using CT for primary diagnosis and follow-up. AJR Am J Roentgenol. 172(2):543-8, 1999
                                                                                      28. Roobottom CA et al: Primary and recurrent inverting papilloma: appearances with magnetic resonance imaging. Clin Radiol. 50(7):472-5, 1995
                                                                                      29. Yousem DM et al: Inverted papilloma: evaluation with MR imaging. Radiology. 185(2):501-5, 1992
                                                                                      30. Phillips PP et al: The clinical behavior of inverting papilloma of the nose and paranasal sinuses: report of 112 cases and review of the literature. Laryngoscope. 100(5):463-9, 1990