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PR218: Reactive hyperplasia of the oral cavity in southeast anatolia: a clinicopathological study

The purpose of this study is to determine the prevalence, gender balance, age of onset and localization of RHL in Southeast Anatolia. In addition, the rate of recurrence of RHL, which has not been wellstudied in the literature was also investigated in the present study. 180 histopathologically diagnosed RHL cases were examined retrospectively. The incidence and localization of lesions, their recurrence rates, as well as the age and gender of the patients were analyzed statistically. The ratio of male to female patients was 1:1.95. Lesions were mostly found in the gingiva(94.5%). The highest incidences of lesions were observed in the pyogenic granuloma(25.6%); peripheral giant cell granuloma(18.9%); inflammatory papillary hyperplasia(16.7%); fibroepithelial polyp(13.9%); peripheral ossifying fibroma(12.2%); irritation fibroma(6.7%); papilloma(4.4%) and finally juvenile psammomatoid fibroma(1.7%), respectively. Although recurrence was not observed in 88.33% of the lesions, the recurrence rates in the following 0-3months, 36months and 6-12months were 1.11%, 2.78% and 7.78% respectively. While providing demographic and histopathological information on RHL in Southeast Anatolia, the present study also presents important information on recurrence rates of RHL within a 1-year period. However, studies with larger sample sizes and longer durations of follow-up can provide more information on the subject in the future.