(1) Marmara University, İstanbul, Turkey
(2) Croydon University Hospital, London, England
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Osteochondroma is a slowly growing benign tumour that is rarely seen in the maxillofacial region. Pathogenesis and aetiology of this tumour have not been well understood. When osteochondroma is seen at the mandibular condyle; it mainly causes mandibular asymmetry, crossbite, posterior openbite, tempromandibular joint problems with pain, and limitation of mandibular lateral motions. The treatment of osteochondroma is primarily surgical resection of the tumours with a preauricular or a submandibular approach either alone or in combination. This paper reports a case of osteochondroma of mandibular condyle.
The osteochondroma case presented here is of a 31 year-old male patient, complaining of a face asymmetry and malocclusion. Total excision of left mandibular condyle neoplasia was performed through an extended temporal-preauricular approach with the preservation of mandibular condyle. The osteochondroma was carefully excised from the condyle by an osteotomy. The tempromandibular disc with its meniscus was preserved.
The first treatment choice of the osteoma of the mandibular condyle is surgical resection of the tumour with a preauricular insicion with temporal extension. If there is minimal alteration in the morphology, the preservation of the tempromandibular disc with its meniscus will provide an excellent barrier in order to prevent the development of ankylosis.