Clinicopathological analysis of oral squamous cell carcinoma in Iraq During period (2001-2013)


Background: Oral cancer is a highly lethal and disfiguring disease. Squamous cell carcinoma of the oral cavityconstitutes about 90% of all oral malignancies. The aims of the study was to achieve an epidemiological descriptionof the oral squamous cell carcinoma in Iraq in general and in Iraqi governorates except Kurdistan regionretrospectively during period 2001-2013Materials and Methods: Data were collected from department of oral and maxillofacial pathology, college ofdentistry, university of Baghdad, Nuclear medicine and radiotherapy hospital, Iraqi cancer registry center, Mainhospitals in Baghdad and Iraqi governorates, Private labs. for histopathological examinations. The descriptive andinferential statistical methods were used (frequency distributions, percentages, incidence rate, standardized ratioand relative risk)Results: In Iraq from 2001-2013, there were 1664 cases with overall M:F ratio (1.4 : 1). The most affected age groupwas (50-69 yrs), tongue was the most common affected site, grade II was the most common, and the highestnumber of OSCC was reported in Baghdad governorate. A negative time trend was observed in the overall (crude)incidence rate of all registered OSCC in Iraq.Conclusion: The incidence rate (crude rate) of OSCC decreased in Iraq from 2001 to 2013, and the standardizedratio showed that there is a decrease in tumor risk with advancing time