Asian Pacific Journal of Cancer Prevention

Asian Pacific Journal of Cancer Prevention (아시아태평양암예방학회)
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Oral non Squamous Cell Malignant Tumors in an Iranian Population: a 43 year Evaluation

  • Mohtasham, Nooshin (Oral and Maxillofacial Disease Research center, Department of Oral and Maxillofacial Pathology, School of Dentistry, Mashhad University of Medical Sciences) ;
  • Saghravanian, Nasrollah (Oral and Maxillofacial Disease Research center, Department of Oral and Maxillofacial Pathology, School of Dentistry, Mashhad University of Medical Sciences) ;
  • Goli, Maryam (School of Dentistry, Mashhad University of Medical Sciences) ;
  • Kadeh, Hamideh (Oral & Dental Disease Research Center, Department of Oral & Maxillofacial Pathology, School of Dentistry, Zahedan University of Medical Sciences)
  • Published : 2016.01.11
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Abstract

Background: The prevalence of non-squamous cell malignant tumors of the oral cavity has not been evaluated in Iran extensively. The aim of this study was to evaluate epidemiological aspects of the oral malignancies with non-squamous cell origin during a 43-year period in the Faculty of Dentistry, Mashhad University of Medical Sciences, Iran. Materials and Methods: In this retrospective study, the records of all patients referred to dental school of Mashhad university of medical sciences in northeast of Iran, during the period 1971-2013 were evaluated. All confirmed samples of oral non squamous cell malignant tumors were included in this study. Demographic information including age, gender and location of the lesions were extracted from patient's records. Data were analyzed using SPSS statistical soft ware, Chi-square and Fisher's exact tests. Results: Among 11,126 patients, 188 (1.68%) non squamous cell malignant tumors were found, with mean age of 39.9 years ranging from 2 to 92 years. The most common tumors were mucoepidermoid carcinoma (33 cases) and lymphoma (32 cases). Non squamous cell malignant tumors occurred almost equally in men (94 cases) and women (93 cases). Most (134 cases) of them were located peripherally with high frequency in salivary glands (89 cases) and 52 cases were centrally with high frequency in the mandible (38 cases). Conclusions: More findings in this survey were similar to those reported from other studies with differences in some cases; it may be due to variation in the sample size, geographic and racial differences in tumors.

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References

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