Abstract
Odontogenic ameloblastoma (OA) of the jaws is a rare neoplasia of the oral cavity (0.78%) with a 5:1 mandible/maxilla relation, with the molar region and the ascendant ramus being the most affected areas. Comparing our results with the literature demonstrated to us that this tumor may be considered to be a worldwide problem due to the similarity in clinical findings among different ethnic groups The purpose of this study of 20 patients with ameloblastoma of the mandible and maxilla diagnosed at the Stomatology and Head and Neck Services of Heliópolis Hospital, São Paulo, Brazil, from 1980 to 1997, was to establish the histopathologic pattern of classification of those tumors through optical microscopy and the relation of this histopathology to therapeutic management. Using the Regeze, Kerr and Courtney classification (1978), we diagnosed follicular tumor in 11 cases, plexiform in 6 cases and unicystic in 3 cases, and performed surgical resection with a safety margin of 1.5 to 3.0 cm in the follicular and plexiform cases and bone curettage in the unicystic cases.
Highlights
Odontogenic ameloblastoma (OA) of the jaws is a rare neoplasia of the oral cavity (0.78%) with a 5:1 mandible/maxilla relation, with the molar region and the ascendant ramus being the most affected areas
The choice of best management method needs to be made between a histological classification into types 1, 2 and 3 (Vickers and Gorlin),[1] or by establishing the relation between clinical behavior and histopathological pattern according to age and anatomical location (Regeze, Kerr and Courtney).[2]
A selection of 29 ameloblastoma cases was made from among 45 patients with odontogenic tumors (Table 1) who had been submitted to different surgical procedures at the Stomatology and Head and Neck Service of Heliópolis Hospital between 1980 and 1997
Summary
Odontogenic ameloblastoma (OA) of the jaws is a rare neoplasia of the oral cavity (0.78%) with a 5:1 mandible/maxilla relation, with the molar region and the ascendant ramus being the most affected areas. The widening of our knowledge will allow us to find solutions and fight against the overall harmful effects of such tumors. The choice of best management method needs to be made between a histological classification into types 1, 2 and 3 (Vickers and Gorlin),[1] or by establishing the relation between clinical behavior and histopathological pattern according to age and anatomical location (Regeze, Kerr and Courtney).[2] After a histopathologic review, we established a correlation between these features and the best therapeutic procedure, with the aim of decreasing disease recurrence
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