title: Pyriform rim sandwich osteotomy: a new regional osteotomy for correction of para-alar deficiency.
authors.affiliation: Department of Maxillofacial Surgery, Unted Christian Hospital , Kwun Tong, Kowloon, Hong Kong, SAR, China. chowtk@ha.org.hk
authors.forename: Tak-Kun
authors.initials: TK
authors.lastname: Chow
authors.forename: Charles Ngok-Fung
authors.initials: CN
authors.lastname: Yu
authors.forename: Siu-Chung
authors.initials: SC
authors.lastname: Fung
authors.forename: Bernie Nin-Cheung
authors.initials: BN
authors.lastname: Tang
authors.forename: Siu-Leung
authors.initials: SL
authors.lastname: Wong
authors.forename: George Chi-To
authors.initials: GC
authors.lastname: Lok
mesh_terms: D000328:Adult; D002356:Cartilage / Q000637:transplantation; D002508:Cephalometry; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008437:Maxilla / Q000601:surgery*; D008440:Maxillary Fractures / Q000601:surgery; D009300:Nasal Septum / Q000002:abnormalities / Q000601:surgery*; D009666:Nose / Q000002:abnormalities* / Q000033:anatomy & histology / Q000601:surgery*; D010027:Osteotomy / Q000379:methods*; D011378:Prognathism / Q000601:surgery*; D019651:Plastic Surgery Procedures; D012225:Rhinoplasty / Q000379:methods*; D013524:Surgical Flaps; D016896:Treatment Outcome