Odontogenic cysts and tumors: a retrospective study of the cases diagnosed in a period of 10 years in a southern Brazilian hospital

Bruna Luísa Neumann, Stéfanie Thieme, Amanda de Farias Gabriel, Virgilio Gonzales Zanella, Felipe Martins Silveira, Ricardo Gallicchio Kroef, Marinez Bizarro Barra, Marco Antonio Trevizani Martins, Manoela Domingues Martins

Abstract


Introduction: odontogenic lesions (OLs) represent a heterogeneous group of oral and maxillofacial pathologies presenting distinct characteristics. The present study aimed to identify the clinical and pathological characteristics of OLs diagnosed in a southern Brazilian hospital. Materials and methods: a retrospective study was performed to evaluate cases with histopathological diagnosis of OLs identified in the period between 2007 and 2017. The patient's medical records were evaluated in order to obtain the clinical and pathological characteristics and the histopathological diagnosis from each case. Results: a total of 255 cases of OLs were identified. From these, 197 (77%) odontogenic cysts and 58 (23%) odontogenic tumors were surveyed, with only one case (0,39%) of a malignant odontogenic neoplasm. The most prevalent diagnosis were radicular cyst (32.5%) and dentigerous cyst (31.76%), followed by odontogenic keratocyst (10.98%), odontoma (10%) and ameloblastoma (10%). The majority of the cases affected the mandible (53.7%) with a slight preference by female individuals (51%). The mean age was 34±20.53 years old. Discussion: the presented data are in accordance with the literature regarding the rarity of the diagnosis of odontogenic tumors. Conclusion: the present study demonstrated the main clinical and pathological characteristics of OLs diagnosed in a southern Brazilian hospital, contributing to a better understanding of these injuries profiles.

Keywords


Odontogenic cysts; Odontogenic tumors; Pathology, oral; Diagnosis, oral

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DOI: https://doi.org/10.22456/2177-0018.108492

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