title: Regression of a sphenochoanal polyp in a child.
abstract: OBJECTIVE
  To present an unusual case of a sphenochoanal polyp that regressed and review the etiology of such polyps in comparison to the commoner antrochoanal polyp.
  
  
  METHODS
  Case study.
  
  
  METHODS
  One was incidentally discovered in a girl aged 3 years, 8 months at postnasal mirror examination after adenotonsillectomy.
  
  
  RESULTS
  Computed tomography scans 1 month later confirmed the polyp, but three months later, MRI scans only revealed sphenoid sinus opacification. Sphenoidotomy revealed normal sinuses implying inflammation had resolved.
  
  
  CONCLUSIONS
  This patient is believed to be the youngest reported to have sphenochoanal polyp, and the only one where the polyp had completely regressed. This regression suggests that sphenochoanal polyps may be more common than is thought but are mostly asymptomatic.
authors.affiliation: Department of Otorhinolaryngology, Universiti Malaya, Kuala Lumpur, Malaysia. wkeatlim@hotmail.com
authors.forename: Wye-Keat
authors.initials: WK
authors.lastname: Lim
authors.forename: Theo
authors.initials: T
authors.lastname: Sdralis
mesh_terms: D000233:Adenoidectomy / Q000379:methods; D002675:Child, Preschool; D004724:Endoscopy / Q000379:methods; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D011127:Polyps / Q000000981:diagnostic imaging* / Q000473:pathology* / Q000601:surgery; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging* / Q000473:pathology* / Q000601:surgery; D014057:Tomography, X-Ray Computed; D014068:Tonsillectomy / Q000379:methods