A case of enchondroma of the mandibular condyle

DOI Web Site 26 References
  • NAKAGAWA Satoshi
    Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
  • KO Namiaki
    Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
  • YOSHIMOTO Mitsuhiro
    Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
  • OMURA Ken
    Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University

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  • 下顎頭に発生した内軟骨腫の1例
  • シタアゴトウ ニ ハッセイ シタ ナイ ナンコツ シュ ノ 1レイ

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Abstract

We report a case of enchondroma of the mandibular condyle. A 31-year-old woman was referred to our department because of pain in the right temporomandibular joint. Panoramic radiography showed enlargement of the right mandibular condyle. Computed tomographic scans revealed a bony mass protruding anteromedially from the right condyle. 99m Tc scintigraphy showed increased uptake in the right condyle. On the basis of these findings, the lesion was clinically diagnosed to be a benign tumor of the mandibular condyle. Condylectomy was performed at the sigmoid notch level through a preauricular approach. The histopathological diagnosis of the surgical specimen was enchondroma. She was kept in maxillomandibular elastic traction and underwent mouth-opening training postoperatively for 3 months, and occlusal adjustment was performed. As a result, the maximum mouth opening was 48 mm, and occlusion was acceptable. There has been no recurrence of the tumor during a follow-up period of 1 year 4 months.

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