Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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MYOSITIS OSSIFICANS TRAUMATICA IN MASSETER MUSCLE

교근에서 발생한 외상성 화골성 근염

  • Lee, Sang-Rae (Dept. of Oral & Maxillofacial Radiol, College of Dentistry, Kyung Hee University.) ;
  • Cho, Jae-O (Dept. of Oral Pathology, College of Dentistry, Kyung Hee University.) ;
  • Kang, Yoon-Goo (Dept. of Oral Pathology, College of Dentistry, Kyung Hee University.)
  • 이상래 (경희대학교 치과대학 구강악안면방사선학교실) ;
  • 조재오 (경희대학교 치과대학 구강병리학교실) ;
  • 강윤구 (경희대학교 치과대학 구강병리학교실)
  • Published : 2001.08.31
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Abstract

We had experienced a case of traumatic myositis ossificans arising in right masseter muscle, inferior to zygomatic arch occurred on 25 year old male. He had some trauma on the site one year ago and visited with complaint of mouth opening limitation and swelling. Palpable mass with facial disfigurement was noted. and several ovoid radiopaque masses were revealed on C.T. examination. On histopathologic examination, multiple bone trabeculae with osteoblasts in its periphery was noted in connective tissues and invaded to neighbouring muscles, but any chondroid components were not revealed.

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