A case of schwannoma in the pterygomandibular space

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  • TANIGUCHI Yoshitaka
    Department of Oral and Maxillofacial Surgery, Kansai Rosai Hospital
  • URABE Kazuhiko
    Department of Oral and Maxillofacial Surgery, Medical Fundation Tokusyu-kai, Yaotokusyukai General Hospital
  • HIRAOKA Shinichiro
    Department of Oral and Maxillofacial Surgery, Kansai Rosai Hospital
  • KIMATA Masaaki
    Department of Oral and Maxillofacial Surgery, Kansai Rosai Hospital
  • KITAMURA Ryuji
    Department of Oral and Maxillofacial Surgery, Kansai Rosai Hospital

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  • 翼突下顎隙に生じた神経鞘腫の1例
  • ヨクトツ カガクゲキ ニ ショウジタ シンケイショウ シュ ノ 1レイ

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Abstract

Schwannoma is a benign tumor derived from the Schwann cells. This tumor is relatively rare in the oraland maxillofacial region, and schwannoma in the pterygomandibular space is extremely rare. This reportdescribes a case of schwannoma in the pterygomandibular space. A 58-year-old woman presented with swellingand discomfort of the lateral oropharynx on the right side. Magnet resonance imaging showed a T2 high-signaldensitymass, measuring 35 mm × 30 mm, in the pterygomandibular space. We performed a biopsy under generalanesthesia. Histopathologically, the mass was diagnosed as a schwannoma.<br>The tumor was surgically removed under general anesthesia. There was no evidence of recurrence 2 years postoperatively.

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