A case of peripheral osteoma arising in the mandibular ramus

Osteoma often occurs in the skull and facial bones, but rares arises in the mandibular ramus. We report a case of peripheral osteoma arising inside the mandibular ramus. The patient was a 37-year-old man who had spontaneous pain at the right parotid region. The tumor was resected extraorally. The pathological specimen showed compact osteoma.