title: Antrochoanal polyp derived from periapical granuloma.
authors.affiliation: Department of Otorhinolaryngology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China. sun6406@163.com
authors.forename: Zhi-hong
authors.initials: ZH
authors.lastname: Lin
authors.forename: Min
authors.initials: M
authors.lastname: Lin
authors.forename: Yao-shu
authors.initials: YS
authors.lastname: Teng
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D009298:Nasal Polyps / Q000209:etiology* / Q000473:pathology; D010484:Periapical Granuloma / Q000150:complications*; D014057:Tomography, X-Ray Computed