Abstract
The objective is to report a rare case of unilateral osteochondroma involving the mandibular condyle. A 48-year-old male patient presented with deviation of the mandible to the right side, trismus, and pain on performing mandibular movements, with a 3-year progression. Additionally, an increase in volume in the left preauricular region was noted. On tomographic examination, he had an irregularly contoured growth of the left condyle and active growth was observed by scintigraphy. Findings were compatible with osteochondroma as the main diagnostic hypothesis. Tumor excision was performed under general anesthesia, through preauricular access. It was also possible to perform arthroplasty and suture of the disc in the remaining stump. The patient is in 45 days of postoperative follow-up and presents normal and painless mandibular movements. The treatment protocol varies according to the size of the tumor and the need to correct the sequelae caused in the stomatognathic system.
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