Oral cancer trends in Iraq from 2000 to 2008

BackgroundThe aim of this study was to identify differences in oral cancer incidence among sexes, age groups and oral sites over time in Iraqi population.MethodsData was obtained from Iraqi cancer registry, differences and trends were assessed with the Wilcoxon matched-pairs signed-ranks test and Regression test, respectively.ResultsIn Iraq from 2000 to 2008, there were 1787 new cases of oral cancer registered, 1035 in men and 752 in women. Cancer at all oral sites affected men more than women. The Tongue other (ICD-02) is the most frequent site follow by lip (ICD-00).ConclusionThe decrease in the percent of oral cancer incidence in Iraq not compatible with the high percent of exposure to the risk factors, Iraqi cancer registry failed in collecting data concerning risk factor and the mortality rate.