A case of isolated osteoma in the maxillary sinus of a patient with jaw deformity

DOI 2 Citations 12 References
  • OKUBO Hiroki
    Division of Oral and Maxillofacial Surgery, Niigata University Graduate School of Medical and Dental Sciences
  • FUKUDA Jun-ichi
    Division of Oral and Maxillofacial Surgery, Niigata University Graduate School of Medical and Dental Sciences
  • HOSHINA Hideyuki
    Division of Oral and Maxillofacial Surgery, Niigata University Graduate School of Medical and Dental Sciences
  • YAMAZAKI Manabu
    Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences
  • SAKU Takashi
    Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences
  • HAYASHI Takafumi
    Division of Oral and Maxillofacial Radiology, Niigata University Graduate School of Medical and Dental Sciences

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Other Title
  • 顎変形症患者にみられた遊離性上顎洞内骨腫の１例

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Abstract

Osteoma in the maxillary sinus, especially isolated osteoma, is very rare in Japan. We present a case of isolated osteoma in the maxillary sinus that was detected by chance on cephalograms obtained before surgical orthodontic treatment to correct facial asymmetry. There were no signs or symptoms caused by the osteoma. After orthodontic treatment for 3 years, the tumor was removed simultaneously with Le Fort I osteotomy under general anesthesia. The tumor was encapsulated by fibrous tissue and was isolated from the maxillary sinus wall. It measured 28×14×12 mm. Histopathologically, the lesion was diagnosed as an osteoma. There has been no sign of recurrence for 3 years after surgery. Reports of Japanese cases of osteomas of the maxillary sinus are clinicopathologically reviewed.

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