title: [The long-term curative effect of microwave therapy of radiotherapeutical choanal atresia under nasal endoscope].
abstract: OBJECTIVE
  In order to observe the long-term curative effect of microwave to treat the choanal atresia after radiotherapy under nasal endoscope.
  
  
  METHODS
  Twenty-one cases of choanal atresia after radiotherapy were treated by microwave under nasal endoscope.
  
  
  RESULTS
  Following-up more than 3 years after operation, all the 21 cases were cured(100%) with no relapse.
  
  
  CONCLUSIONS
  This method is simple with mild damage to normal tissues, clear operation visual field, less postoperation pain, stadle long-term therapeutical effect and good way to treat choanal atresia in NPC after radiotherapy.
authors.affiliation: Department of Otorhinolaryngology, Huizhou Center Hospital, Guangdong Province, Huizhou 516001, China.
authors.forename: Xiaofen
authors.initials: X
authors.lastname: Zhu
mesh_terms: D000328:Adult; D000368:Aged; D002754:Choanal Atresia / Q000601:surgery*; D004724:Endoscopy / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008872:Microwaves / Q000627:therapeutic use*; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D011878:Radiotherapy / Q000009:adverse effects*; D012189:Retrospective Studies