title: Upper respiratory tract involvement of sarcoidosis in the Turkish population.
abstract: METHODS
  Upper respiratory tract (URT) involvement is rare in sarcoidosis. In this descriptive study, we retrospectively evaluated the clinical and demographic features of 12 (2.19%) patients with URT involvement out of the 546 sarcoidosis patients with follow-up visits at our center within the last 40-year period.
  
  
  RESULTS
  Out of the 546 patients, 12 (2.19%) had upper respiratory tract involvement, 5 (0.91%) had laryngeal involvement, 4 (0.73%) had sinonasal tract involvement, 2 (0.36) patients had salivary gland involvement, and 1 patient had tonsillary involvement. The number of stage 0 subjects among other sarcoidosis patients was significantly lower than that among those with URT involvement.
  
  
  CONCLUSIONS
  URT involvement is rarely diagnosed in patients with systemic sarcoidosis. The most common site for URT involvement among the Turkish population is the larynx, followed by the sinonasal tract.
  
  
  METHODS
  C-4.
authors.affiliation: Department of Lung Diseases, Cerrahpaşa Medical Faculty, University of Istanbul, Istanbul, Turkey. halilyanardag@yahoo.com
authors.forename: Halil
authors.initials: H
authors.lastname: Yanardağ
authors.forename: Murat
authors.initials: M
authors.lastname: Enoz
authors.forename: Irfan
authors.initials: I
authors.lastname: Papila
authors.forename: Sedat
authors.initials: S
authors.lastname: Uygun
authors.forename: Metin
authors.initials: M
authors.lastname: Caner
authors.forename: Tuncer
authors.initials: T
authors.lastname: Karayel
mesh_terms: D000328:Adult; D001706:Biopsy; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D015994:Incidence; D007818:Laryngeal Diseases / Q000453:epidemiology* / Q000473:pathology; D008875:Middle Aged; D009668:Nose Diseases / Q000453:epidemiology* / Q000473:pathology; D012189:Retrospective Studies; D012466:Salivary Gland Diseases / Q000453:epidemiology* / Q000473:pathology; D012507:Sarcoidosis / Q000453:epidemiology* / Q000473:pathology; D014421:Turkey / Q000453:epidemiology