title: A case of neglected inverted papilloma with invasion to the skin.
abstract: Inverted papilloma is an uncommon and locally aggressive benign tumour of the sinonasal region, which tends to recur after surgical resection and is occasionally associated with squamous cell carcinoma. The following report describes the initial history, physical examination, radiological studies, operative and histopathologic reports and differential diagnosis of a case of inverted papilloma with wide extension into the adjacent structures and unique clinical appearance.
authors.affiliation: Otorhinolaryngology Department, Imam Reza Educational Hospital, Mashhad University of Medical Sciences, Mashhad, Iran. m-bakhshaee@mums.ac.ir
authors.forename: M
authors.initials: M
authors.lastname: Bakhshaee
authors.forename: M
authors.initials: M
authors.lastname: Talebmehr
authors.forename: N
authors.initials: N
authors.lastname: Taiebi Meibod
authors.forename: N
authors.initials: N
authors.lastname: Razmara
mesh_terms: D003937:Diagnosis, Differential; D005153:Facial Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged; D009669:Nose Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D018308:Papilloma, Inverted / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D014057:Tomography, X-Ray Computed