Odontogenic tumors: a 5-year retrospective study in a Brazilian population and analysis of 3406 cases reported in the literature

Odontogenic tumors: a 14-year retrospective study in Santa Catarina, Brazil

“…13,[18][19][20] We verified that the mean age of KCOT cases was 35 years, and that the posterior mandible was the most affected site. Data found in our study corroborate the data found in other studies, 13,18 and we found a greater prevalence for the male gender, in agreement with the results reported by Jing et al 19 and González-Alva et al 21 The association of KCOT with NBCCS was seen in 40% of the cases, which is very different from what was reported by González-Alva et al, 21 who only found an association of 6%. The same study reported data on the characteristics of the cases associated with NBCCS, reporting a greater prevalence in female patients (63.6%), which was different from the observations of the present study, wherein we found a higher prevalence in male patients (57% of cases associated with NBCCS).…”

“…OTs are lesions rarely observed in dentistry clinics, [5][6][7]9,12,13 and their frequency was 3% in our study, with a mean age of 30 years, varying between 5 and 75 years, and occurring more often in male patients. Their main location was in the posterior mandibular area.…”

“…These data agree with findings from other studies performed in different countries. 5,6,[13][14][15] Our study demonstrated that most of the lesions occurred in Caucasian patients, which can be easily explained, as Caucasians correspond to 85.7% of the entire population in the Santa Catarina State according to data from the Instituto Brasileiro de Geografia e Estatística -IBGE. 16 KCOT was the most frequent lesion observed in our study, comprising 51% of all lesions.…”

“…7,14,18,20 No gender-related preponderance was noted in our study, which was different from other studies in which the incidence in the female gender was higher. 5,9,13,23,24 The most frequent clinical presentation was of the solid ameloblastoma (61%) and, histologically, of the follicular variant (33%). This is very similar to what was observed in the studies conducted by Ledesma-Montes et al, 7 Osterne et al, 13 Saghravanian et al 15 and Santos et al 5 However, Fregnani et al 24 observed that the most frequent histological variant was the plexiform, which was observed in 53% of the cases.…”

“…5,9,13,23,24 The most frequent clinical presentation was of the solid ameloblastoma (61%) and, histologically, of the follicular variant (33%). This is very similar to what was observed in the studies conducted by Ledesma-Montes et al, 7 Osterne et al, 13 Saghravanian et al 15 and Santos et al 5 However, Fregnani et al 24 observed that the most frequent histological variant was the plexiform, which was observed in 53% of the cases. In our study, the posterior mandibular area was the preferred location, which was consistent with other studies.…”