Comparison of Mast Cell Presence in Inflammatory Periapical Lesions Including Periapical Cyst and Granuloma Using Cd۱۱۷ (C-KIT)
- سال انتشار: 1394
- محل انتشار: مجله تحقیقات دندانپزشکی، دوره: 7، شماره: 1
- کد COI اختصاصی: JR_AJDR-7-1_007
- زبان مقاله: انگلیسی
- تعداد مشاهده: 40
نویسندگان
چکیده
Background: Periapical lesions are induced in response to injuries to periapical tissues, which are generally the result of infections within the root canal. Mast cells actively participate to the inflammatory infiltration of periapical granulomas and cysts. Objectives: The aim of this study was to detect and compare the presence of mast cells in inflammatory periapical lesions, including cysts and granulomas. Materials and Methods: In this cross-sectional study, ۲۶ samples of inflammatory periapical lesions (۱۷ cysts and nine granulomas) were stained with an immunohistochemical technique using CD۱۱۷ (C-KIT) antibody to detect mast cells. Then, mast cell count (the number of mast cells in ۰.۲ mm۲) and the intensity of mast cell staining were determined by two board certified pathologists. Fisher exact test and t-test were used for statistical analysis, with P < ۰.۰۵ for statistical significance. Results: Although mast cells were observed in all samples, there were more numerous in periapical granulomas compared to periapical cysts, with no statistically significant difference (P = ۰.۰۷۶). The results also demonstrated that the staining in periapical cysts and granulomas were of strong and moderate intensity, respectively, without any significant difference (P = ۰.۴۱۱). Conclusions: According to the results of this study, it appears that mast cells are present in all the investigated inflammatory periapical lesions and might play a role in the pathogenesis of these lesions.کلیدواژه ها
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