title: [Two cases of isolated inverting papilloma in the sphenoid sinus].
authors.forename: Ke-jia
authors.initials: KJ
authors.lastname: Cheng
authors.forename: Ling
authors.initials: L
authors.lastname: Ling
authors.forename: Shen-qing
authors.initials: SQ
authors.lastname: Wang
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008297:Male; D018308:Papilloma, Inverted; D010255:Paranasal Sinus Neoplasms; D013101:Sphenoid Sinus / Q000473:pathology*