title: [Microwave therapy of radiotherapeutical choanal atresia under nasal endoscope].
abstract: OBJECTIVE
  In order to know efficacy of microwave to treat the secondary choanal atresia under nasal endoscope.
  
  
  METHODS
  Three patients suffering from membranous choanal atresia due to radiotherapy of nasopharyngeal carcinoma (NPC) were treated by microwave under nasal endoscope.
  
  
  RESULTS
  Satisfing recoveries were accomplished in all patients and no relapse was found within the 7-13 months' follow-up.
  
  
  CONCLUSIONS
  This method has many advantages, such as: processing available under local anesthesia without incision, mild damage to normal tissues, clear operation visual field, less hemorrhage and postoperative pain, complete coagulation and gasification of atresic membrane, no need of postoperative dilation and stable therapeutical effect.
authors.affiliation: Department of Otorhinolaryngology/Head & Neck Surgery, Tongji Hospital, Tongji Medical University, Wuhan 430030.
authors.forename: X
authors.initials: X
authors.lastname: You
authors.forename: Y
authors.initials: Y
authors.lastname: Tao
authors.forename: H
authors.initials: H
authors.lastname: Huang
authors.forename: Q
authors.initials: Q
authors.lastname: Gao
authors.forename: Y
authors.initials: Y
authors.lastname: Cui
mesh_terms: D000328:Adult; D002754:Choanal Atresia / Q000209:etiology / Q000601:surgery*; D019723:Endoscopes; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008872:Microwaves / Q000627:therapeutic use*; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*