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Asociación Mexicana de Cirugía Bucal y Maxilofacial, Colegio Mexicano de Cirugía Bucal y Maxilofacial, A.C.

2025, Number 1

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Rev Mex Cir Bucal Maxilofac 2025; 21 (1)

Juxtacortical mandibular angle osteoma. Case report

Ramos-Nieto JJ, Cuadra-Zelaya FJM, Salgado-Chavarría F, González-López G, Mena-Tapia CE, Martínez-Vásquez MA, Neri-Peña J

Language: Spanish
References: 20
Page: 44-49
PDF size: 415.13 Kb.


ABSTRACT

Introduction: osteoma is a benign bone-forming neoplasm consisting of mature bone and restricted almost exclusively to the jaws, with the mandible being more commonly affected than the maxilla; it accounts for 11 and 1% of benign bone tumors and bone tumors in general, respectively. It shows no gender predilection and is more frequent between the second and third decade of life. Its etiology is uncertain and it predominantly affects bones formed by intramembranous ossification. Histologically they are characterized by compact lamellar or trabecular bone, in which osteoblasts and osteoclasts are usually indistinguishable. Radiographically they may present as circumscribed sclerotic lesions, although the initial lesions may be radiolucent or mixed. Objective: presentation of a clinical case and narrative review. Clinical case: a clinical case of a 28-year-old man with no significant pathologic history is presented. A homogeneous radiopaque area located in the basal cortex of the mandible on the left side, close to the mandibular angle, with a lobulated appearance and well-defined borders, unnoticed and asymptomatic, of unknown evolution time, is identified. Surgical treatment was performed to what the histopathological result reported as an osteoma constituted by the presence of lamellar mature bone tissue with medullary spaces and osteocytes in its lacunae, in addition to scarce osteoblasts towards the periphery of the bone trabeculae. The clinical follow-up of the patient did not present any alterations.


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