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Revista Odonto Ciência (Online)

versão On-line ISSN 1980-6523


YAMAMOTO, Fernanda Paula et al. Computed tomography and scintigraphy exams for diagnosis and treatment planning of the condylar osteochondroma: a case report. Rev. odonto ciênc. (Online) [online]. 2010, vol.25, n.4, pp. 422-426. ISSN 1980-6523.

PURPOSE: To report an uncommon case of osteochondroma affecting the mandibular condyle of a young patient and to illustrate the important contributions of different imaging resources to the diagnosis and treatment planning of this lesion. CASE DESCRIPTION: A 24-year-old female patient with the chief complaint of an increasing facial asymmetry and pain in the left pre-auricular region, revealing a reduced mouth opening, mandibular deviation and posterior cross-bite over a period of 18 months. Panoramic radiography revealed an enlargement of the left condyle, whereas computed tomography (CT) sections and three-dimensional CT showed a well-defined bone growth arising from condylar neck. The scintigraphy exam showed an abnormal osteogenic activity in the left temporomandibular joint. The condyle was surgically removed and after 18 months follow-up the panoramic radiography and CT scans showed no signs of recurrence. CONCLUSION: Although osteochondroma is a benign bone tumor that rarely arises in cranial and maxillofacial region, it should be considered in the differential diagnosis of slow-growing masses of the temporomandibular area and the use of different imaging exams significantly contribute to the correct diagnosis and treatment planning of this pathological condition.

Palavras-chave : Osteochondroma; diagnosis; omputed tomography; bone tumors.

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