Epithelial Odontogenic Tumors: Analysis of 156 Cases in a Brazilian Population

• Published in: International journal of odontostomatology Vol. 10; no. 1; pp. 113 - 118
• Main Authors: Cavalcante, Rayssa Mendes, Costa, Moan Jéfter Fernandes, Sousa e Silva, Nelmara, de Souza, Lélia Batista, Santos, Pedro Paulo de Andrade
• Format: Journal Article
• Language: English; Portuguese
• Published: Universidad de La Frontera. Facultad de Medicina 01.04.2016
• Subjects: DENTISTRY, ORAL SURGERY & MEDICINE; calcifying epithelial odontogenic tumor; ameloblastoma; tumor odontogénico adenomatoide; tumor odontogénico; adenomatoid odontogenic tumor; tumor odontogénico epitelial calcificante; odontogenic tumor
• ISSN: 0718-381X; 0718-381X
• DOI: 10.4067/S0718-381X2016000100018

The objective of this study was to determine the distribution of epithelial odontogenic tumors diagnosed histologically in a period of 41 years in a Brazilian population according to age, gender, site affected and compare these data with previously reported studies from other countries. Data of epithelial odontogenic tumors diagnosed were collected from the files of the Oral Pathology Laboratory of Federal University of Rio Grande do Norte, Natal, RN, Brazil, and entered in a standardized form for later comparisons. Clini-cal features obtained from the patient records and microscope slides were reviewed according to the 1992 World Health Organization classification. A total 156 epithelial odontogenic tumor were reported. Of these, all of them were benign. Ameloblastoma was the most frequent type (85.9 %), followed by adenomatoid odontogenic tumor (10.9 %) and calcifying epithelial odontogenic tumor (3.2 %). The mean age of the patients was 38 years, with a wide range (1180 years). The posterior region of mandible was the anatomic site most frequently affected by this disease, and no significant differences were found between sexes in the diagnosis of odontogenic tumors. A marked geographic variation in the relative incidences of various epithelial odontogenic tumors was found. It was particularly notable in ameloblastomas and adenomatoid odontogenic tumors, with the incidences observed in the present study being similar, sometimes different to earlier studies in others parts of the world.