A Case of Juvenile (Aggressive) Ossifying Fibroma of the Mandible in a 6-year-old Boy

DOI 1 Citations 16 References
  • KAMATA Nobuyuki
    First Department of Oral and Maxillofacil Surgery, Schoool of Dentistry, Tokushima University
  • KITAOKA Eiichiro
    First Department of Oral and Maxillofacil Surgery, Schoool of Dentistry, Tokushima University
  • YAMANOUCHI Kouji
    Department of Dentistry and Oral Surgery, Tokushima Red Cross Hospital
  • MOMOTA Yukihiro
    First Department of Oral and Maxillofacil Surgery, Schoool of Dentistry, Tokushima University
  • HAYASHI Yoshio
    Department of Oral Pathology, Schoool of Dentistry, Tokushima University
  • NAGAYAMA Masaru
    First Department of Oral and Maxillofacil Surgery, Schoool of Dentistry, Tokushima University

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  • 6歳児の下顎骨に発生した若年性 (侵襲性) 化骨性線維腫の1例

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Abstract

Juvenile (aggressive) ossifying fibroma is a benign tumor with active proliferative ability. We describe a case of juvenile (aggressive) ossifying fibroma arising in the mandible of a 6-year-old boy, who was referred to our clinic in 1999 because of a swelling of the mandible. Radiographic examination revealed calcifying tissue-like radiopacities within the tumorous region. The tumor had a relatively distinct border and measured 38×28mm. It was diagnosed to be a benign tumor of the mandible and removed surgically. Histopathological examination showed an ossifying fibroma consisted of fibrous tissue and various sizes of woven bone. After 3 years of surgical treatment, no evidence of recurrence or developmental disability of the mandible has been observed.

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