Abstract

The calcifying cystic odontogenic tumor is a rare developmental lesion that arises from the odontogenic epithelium. An 8-year-old female patient, featuring swelling involving mandible body region. Radiographic examination revealed presence of radiolucent image, circumscribed and involving teeth without root resorption. The histopathologic analysis showed large cystic cavities lined by thin epithelium that was thickened in other areas, with cells featuring increased eosinophilia with ghost cells characteristics and points with dystrophic calcifications. It was observed cords and nests of columnar epithelial cells that are arranged parallel on the periphery. It is noted still that dental germ formation consists of stellate cells layers to enamel organ, odontoblasts layer with dental matrix production and areas with fusiform cells which suggest dental papilla. Based on clinical, radiographic and histologic, the diagnosis of Calcifying Cystic Odontogenic Tumor associated to Odontoma was confirmed. The patient is under observation and after 1 year of follow-up, there is no evidence of recurrence.

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