Bookmarks
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
- Paehler Vor der Holte A et al: Impact of human papillomaviruses (HPV) on recurrence rate and malignant progression of sinonasal papillomas. Cancer Med. 10(2):634-41, 2021
- Yan CH et al: Imaging predictors for malignant transformation of inverted papilloma. Laryngoscope. 129(4):777-82, 2019
- Adriaensen GF et al: Challenges in the management of inverted papilloma: a review of 72 revision cases. Laryngoscope. 126(2):322-8, 2016
- 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
- Hong SL et al: Smoking and malignancy in sinonasal inverted papilloma. Laryngoscope. 123(5):1087-91, 2013
- Sasaki M et al: Apparent diffusion coefficient mapping for sinonasal diseases: differentiation of benign and malignant lesions. AJNR Am J Neuroradiol. 32(6):1100-6, 2011
- 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
- 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
- Kim WS et al: Treatment outcomes of sinonasal inverted papillomas according to surgical approaches. Acta Otolaryngol.130(4):493-7, 2009
- Sham CL et al: A case-control study of the risk factors associated with sinonasal inverted papilloma. Am J Rhinol Allergy. 24(1):e37-40, 2009
- Sham CL et al: Treatment results of sinonasal inverted papilloma: an 18-year study. Am J Rhinol Allergy. 23(2):203-11, 2009
- Jeon TY et al: Sinonasal inverted papilloma: value of convoluted cerebriform pattern on MR imaging. AJNR Am J Neuroradiol. 29(8):1556-60, 2008
- 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
- Cannady SB et al: New staging system for sinonasal inverted papilloma in the endoscopic era. Laryngoscope. 117(7):1283-7, 2007
- Head CS et al: Radiographic assessment of inverted papilloma. Acta Otolaryngol. 127(5):515-20, 2007
- 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
- Mirza S et al: Sinonasal inverted papillomas: recurrence, and synchronous and metachronous malignancy. J Laryngol Otol. 121(9):857-64, 2007
- Shojaku H et al: Positron emission tomography for predicting malignancy of sinonasal inverted papilloma. Clin Nucl Med. 32(4):275-8, 2007
- Stephen JK et al: Epigenetic events underlie the pathogenesis of sinonasal papillomas. Mod Pathol. 20(10):1019-27, 2007
- 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
- Yousuf K et al: Site of attachment of inverted papilloma predicted by CT findings of osteitis. Am J Rhinol. 21(1):32-6, 2007
- Chiu AG et al: Radiographic and histologic analysis of the bone underlying inverted papillomas. Laryngoscope. 116(9):1617-20, 2006
- Melroy CT et al: Benign sinonasal neoplasms: a focus on inverting papilloma. Otolaryngol Clin North Am. 39(3):601-17, x, 2006
- 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
- 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
- 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
- Ojiri H et al: Potentially distinctive features of sinonasal inverted papilloma on MR imaging. AJR Am J Roentgenol. 175(2):465-8, 2000
- Petit P et al: Radiological follow-up of inverted papilloma. Eur Radiol. 10(7):1184-9, 2000
- Savy L et al: Optimum imaging for inverted papilloma. J Laryngol Otol. 114(11):891-3, 2000
- 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
- Roobottom CA et al: Primary and recurrent inverting papilloma: appearances with magnetic resonance imaging. Clin Radiol. 50(7):472-5, 1995
- Yousem DM et al: Inverted papilloma: evaluation with MR imaging. Radiology. 185(2):501-5, 1992
- 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
Loading...
Related Differential Diagnoses
Loading...
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
- Paehler Vor der Holte A et al: Impact of human papillomaviruses (HPV) on recurrence rate and malignant progression of sinonasal papillomas. Cancer Med. 10(2):634-41, 2021
- Yan CH et al: Imaging predictors for malignant transformation of inverted papilloma. Laryngoscope. 129(4):777-82, 2019
- Adriaensen GF et al: Challenges in the management of inverted papilloma: a review of 72 revision cases. Laryngoscope. 126(2):322-8, 2016
- 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
- Hong SL et al: Smoking and malignancy in sinonasal inverted papilloma. Laryngoscope. 123(5):1087-91, 2013
- Sasaki M et al: Apparent diffusion coefficient mapping for sinonasal diseases: differentiation of benign and malignant lesions. AJNR Am J Neuroradiol. 32(6):1100-6, 2011
- 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
- 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
- Kim WS et al: Treatment outcomes of sinonasal inverted papillomas according to surgical approaches. Acta Otolaryngol.130(4):493-7, 2009
- Sham CL et al: A case-control study of the risk factors associated with sinonasal inverted papilloma. Am J Rhinol Allergy. 24(1):e37-40, 2009
- Sham CL et al: Treatment results of sinonasal inverted papilloma: an 18-year study. Am J Rhinol Allergy. 23(2):203-11, 2009
- Jeon TY et al: Sinonasal inverted papilloma: value of convoluted cerebriform pattern on MR imaging. AJNR Am J Neuroradiol. 29(8):1556-60, 2008
- 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
- Cannady SB et al: New staging system for sinonasal inverted papilloma in the endoscopic era. Laryngoscope. 117(7):1283-7, 2007
- Head CS et al: Radiographic assessment of inverted papilloma. Acta Otolaryngol. 127(5):515-20, 2007
- 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
- Mirza S et al: Sinonasal inverted papillomas: recurrence, and synchronous and metachronous malignancy. J Laryngol Otol. 121(9):857-64, 2007
- Shojaku H et al: Positron emission tomography for predicting malignancy of sinonasal inverted papilloma. Clin Nucl Med. 32(4):275-8, 2007
- Stephen JK et al: Epigenetic events underlie the pathogenesis of sinonasal papillomas. Mod Pathol. 20(10):1019-27, 2007
- 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
- Yousuf K et al: Site of attachment of inverted papilloma predicted by CT findings of osteitis. Am J Rhinol. 21(1):32-6, 2007
- Chiu AG et al: Radiographic and histologic analysis of the bone underlying inverted papillomas. Laryngoscope. 116(9):1617-20, 2006
- Melroy CT et al: Benign sinonasal neoplasms: a focus on inverting papilloma. Otolaryngol Clin North Am. 39(3):601-17, x, 2006
- 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
- 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
- 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
- Ojiri H et al: Potentially distinctive features of sinonasal inverted papilloma on MR imaging. AJR Am J Roentgenol. 175(2):465-8, 2000
- Petit P et al: Radiological follow-up of inverted papilloma. Eur Radiol. 10(7):1184-9, 2000
- Savy L et al: Optimum imaging for inverted papilloma. J Laryngol Otol. 114(11):891-3, 2000
- 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
- Roobottom CA et al: Primary and recurrent inverting papilloma: appearances with magnetic resonance imaging. Clin Radiol. 50(7):472-5, 1995
- Yousem DM et al: Inverted papilloma: evaluation with MR imaging. Radiology. 185(2):501-5, 1992
- 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
