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KMID : 1036320150370010041
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Maxillofacial Plastic and Reconstructive Surgery
2015 Volume.37 No. 1 p.41 ~ p.41
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Bimaxillary orthognathic surgery and condylectomy for mandibular condyle osteochondroma: a case report
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Park Young-Wook
Lee Woo-Young
Kwon Kwang-Jun
Kim Seong-Gon
Lee Suk-Keun
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Abstract
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Osteochondroma is rarely reported in the maxillofacial region; however, it is prevalent in the mandibular condyle. This slowly growing tumor may lead to malocclusion and facial asymmetry. A 39-year-old woman complained of gradual development of anterior and posterior unilateral crossbite, which resulted in facial asymmetry. A radiological study disclosed a large tumor mass on the top of the left mandibular condyle. This bony tumor was surgically removed through condylectomy and the remaining condyle head was secured. Subsequently, bimaxillary orthognathic surgery was performed to correct facial asymmetry and malocclusion. Pathological diagnosis was osteochondroma; immunohistochemistry showed that the tumor exhibited a conspicuous expression of BMP-4 and BMP-2 but rarely expression of PCNA. There was no recurrence at least for 1 year after the operation. Patient’s functional and esthetic rehabilitation was uneventful.
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KEYWORD
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Osteochondroma, Condylectomy, Bimaxillary orthognathic surgery, BMP-4 expression
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