title: [The incidence of level I metastasis in laryngopharyngeal squamous cell carcinoma].
abstract: OBJECTIVE
  We investigated the incidence of level I metastasis in patients with laryngeal and hypopharyngeal squamous cell carcinoma (SCC).
  
  
  METHODS
  The records of 126 patients who underwent primary tumor excision with radical neck dissection (RND) or its modifications for laryngeal or hypopharyngeal SCC were retrospectively reviewed. Preoperative tumor and neck stages, the sites and the number of metastatic lymph nodes were recorded. Patients treated with selective neck dissection (SND) or preoperative chemotherapy and/or radiation therapy were excluded.
  
  
  RESULTS
  Of 155 RND or modified RND performed for 113 laryngeal and 13 hypopharyngeal SCC, lymph node metastases were detected in 51 specimens, all of which spared level I. The most frequently involved levels were II and III.
  
  
  CONCLUSIONS
  Selective neck dissection sparing level I may be appropriate for clinically and radiologically N0 patients with laryngopharyngeal carcinoma.
authors.affiliation: Department of Otolaryngology, Medicine Faculty of Dokuz Eylül University, Izmir, Turkey. taner.erdag@deu.edu.tr
authors.forename: Taner Kemal
authors.initials: TK
authors.lastname: Erdağ
authors.forename: Cem
authors.initials: C
authors.lastname: Karas
authors.forename: Ahmet Omer
authors.initials: AO
authors.lastname: Ikiz
authors.forename: Enis Alpin
authors.initials: EA
authors.lastname: Güneri
authors.forename: Kerim
authors.initials: K
authors.lastname: Ceryan
authors.forename: Sülen
authors.initials: S
authors.lastname: Sarioğlu
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000453:epidemiology* / Q000209:etiology / Q000556:secondary / Q000601:surgery; D005260:Female; D006801:Humans; D007012:Hypopharyngeal Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology / Q000601:surgery; D015994:Incidence; D007822:Laryngeal Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology / Q000601:surgery; D008197:Lymph Node Excision; D008297:Male; D008499:Medical Records; D009362:Neoplasm Metastasis; D009367:Neoplasm Staging; D012189:Retrospective Studies; D014421:Turkey / Q000453:epidemiology