title: Epidemiological Evaluation of Head and Neck Sarcomas in Iran (the Study of 105 Cases Over 13 Years).
abstract: BACKGROUND
  Head and neck sarcomas are exceedingly rare and they include 4% - 10% of all sarcomas and less than 1% of all neoplasm of head and neck.
  
  
  OBJECTIVE
  The aim of this study is to evaluate the epidemiological characteristics of head and neck sarcomas of patients in Isfahan, Iran.
  
  
  METHODS
  In this retrospective study, from the 16000 patients whose files were evaluated, the total number of 105 head and neck sarcomas were collected. They were evaluated with due attention to age, gender of the patients and the most common location of the lesion.
  
  
  RESULTS
  From the total number of 105 (0.6%) patients with sarcomas, 56 were men (53.33%) and 49 women (46.66%). The most common head and neck sarcomas among this population were Osteosarcoma (32 cases, 30.47%), Chondrosarcoma (14 cases, 13.33%), and Ewing sarcoma (11 cases, 10.47%).The most common soft tissue sarcoma was Rabdomiosarcoma. Mandible was the most common location for these lesions.
  
  
  CONCLUSIONS
  In this study, the hard tissue sarcomas were more prevalent than soft tissue ones. Hence, special attention should be paid to the patients when being diagnosed.
authors.affiliation: Department of Oral and Maxillofacial Pathology, Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, IR Iran.
authors.forename: Batoul
authors.initials: B
authors.lastname: Alishahi
authors.affiliation: Department of Oral and Maxillofacial Pathology, Dental Implant Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, IR Iran.
authors.forename: Neda
authors.initials: N
authors.lastname: Kargahi
authors.affiliation: Department of Oral and Maxillofacial Pathology, Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, IR Iran.
authors.forename: Solmaz
authors.initials: S
authors.lastname: Homayouni
keywords: Epidemiology; Head and Neck; Sarcoma