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KMID : 1024020170470010057
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Imaging Science in Dentistry
2017 Volume.47 No. 1 p.57 ~ p.62
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Recurrent osteochondroma of the mandibular condyle: A case report
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Kwon Young-Eun
Choi Karp-Shik
An Chang-Hyeon
Choi So-Young
Lee Jae-Seo
An Seo-Young
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Abstract
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A 21-year-old woman presented with facial asymmetry. Crepitus and clicking of the temporomandibular joint were noted. The midline deviated 5.5 mm to the left, and secondary malocclusion was observed. Panoramic and cone-beam computed tomographic images showed an irregular and exophytic bony mass on the anteromedial surface of the right mandibular condyle. A 3-phase bone scan revealed increased tracer uptake on the affected side. The lesion was treated with excision and reshaping under the diagnosis of osteochondroma confirmed by a histopathological examination. The lesion recurred after 3 years, and the patient underwent condylectomy. Mandibular condylar osteochondroma is often resected because it causes functional and aesthetic problems, but it rarely recurs. To the best of our knowledge, only 2 cases of recurrent osteochondromas of the mandibular condyle have been reported previously. Surgical treatment of the osteochondroma should be performed considering the possibility of recurrence, and long-term follow-up is recommended.
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KEYWORD
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Osteochondroma, Mandibular Condyle, Recurrence, Facial Asymmetry
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