title: [Endoscopic or endoscope-assisted surgery for sinonasal malignancy].
abstract: OBJECTIVE
  To discuss the feasibility and therapeutic efficacy of resection of sinonasal malignant tumours through endoscopic or endoscope-assisted surgery.
  
  
  METHODS
  Since 1997, 11 cases of malignant tumours were resected under endoscope or by endoscope-assisted surgery. Among them, 5 patients were followed-up for more than 3 years, including one case of nasal septum squamous cell carcinoma; one case of ethmoid sinus squamous cell carcinoma; one case of maxillary sinus adenoid cystic carcinoma and two cases of olfactory neuroblastoma.
  
  
  RESULTS
  In the patients who were followed-up for more than three years, no local recurrence was found. There was only one case of cervical lymph node metastasis found on a patient with olfactory neuroblastoma 2. 5 years after resection. Four years after operation, this patient was suspected to have extensive metastasis in meninges, and only palliative treatment was suggested.
  
  
  CONCLUSIONS
  By endoscope or by endoscope-assisted surgery, some of selected sinonasal malignant tumours can be thoroughly resected. The advantages are mini-invasive and avoidance of facial scar so as to improve the quality of life (QOL) of patients. Large amount of cases, random clinical study with lone- term follow-up are still needed to verify the feasibility and efficacy of endoscopic or endoscope-assisted surgery.
authors.affiliation: Department of Otorhinolaryngology Head and Neck Surgery, PLA General Hospital, Beijing 100853, China. Ronald@wang.sina.net
authors.forename: Rong-guang
authors.initials: RG
authors.lastname: Wang
authors.forename: Lei
authors.initials: L
authors.lastname: Lei
authors.forename: Dong-yi
authors.initials: DY
authors.lastname: Han
authors.forename: Liang-fa
authors.initials: LF
authors.lastname: Liu
mesh_terms: D000328:Adult; D004724:Endoscopy; D018304:Esthesioneuroblastoma, Olfactory / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D018307:Neoplasms, Squamous Cell / Q000601:surgery*; D009669:Nose Neoplasms / Q000601:surgery*; D013517:Otorhinolaryngologic Surgical Procedures / Q000379:methods; D010255:Paranasal Sinus Neoplasms / Q000601:surgery*