Adenomatoid odontogenic tumor simulating periapical cyst: case report

Author:

MAIA Francisco Paulo Araújo1,PINTO Priscilla Sarmento1,LUNA Anibal Henrique Barbosa1

Affiliation:

1. Universidade Federal da Paraíba, Brazil

Abstract

ABSTRACT The adenomatoid odontogenic tumor is a benign, non-invasive tumor and has a slow growth. Its preferred location is the anterior maxillary area, most often causing root displacement, more rarely resorption and mostly affects young women. Being asymptomatic, this injury is discovered upon routine radiographic examination, in which, in most cases, a unilocular, radiolucent image is observed and it may have some degree of calcification within the lesion. This work aims to report the case of a 14-year-old patient who attended the Lauro Wanderley University Hospital (UFPB), complaining of increased volume over a period of 8 months, in the region of non-vital tooth 21. The CT scan showed well-delimited unilocular, radiolucent lesion, with buccal cortex resorption. The proposed treatment plan involved enucleation, followed by peripheral ostectomy and bone graft with alloplastic materials. Because of its benign character, encapsulated and slow growing, the treatment of choice for adenomatoid odontogenic tumor is conservative, the surgical enucleation of the injury being advocated. The excised piece was sent for histopathological analysis, where the AOT diagnosis was confirmed. After 7 months, new bone formation was observed without signs of recurrence.

Publisher

FapUNIFESP (SciELO)

Subject

General Dentistry

Reference13 articles.

1. Adenomatoid odontogenic associated with dentigerous cyst in posterior maxilla a case report and review of literature;John JB;J Oral Maxillofac Pathol,2012

2. Hybrid odontogenic tumor with features of ameloblastic fibro-odontoma, calcifying odontogenic cyst, and adenomatoid odontogenic tumor a case report and review of the literature;Phillips MD;J Oral Maxillofac Surg,2010

3. The adenomatoid odontogenic tumor, ameloblastic adenomatoid tumor or adeno-ameloblastoma;Philipsen HP;Acta Pathol Microbiol Scand,1969

4. New findings and controversies in Odontogenic tumors;Taylor AM;Med Oral Patol Oral Cir Bucal,2008

5. Clinicopathological and immunohistochemical study of 39 cases of Adenomatoid Odontogenic Tumour a multicentric study;Leon JE;Oral Oncol,2005

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