臼後部に発生した多形腺腫の1例

  • 吉賀 大午
    九州大学大学院歯学研究院口腔顎顔面病態学講座顎顔面腫瘍制御学分野
  • 川野 真太郎
    九州大学大学院歯学研究院口腔顎顔面病態学講座顎顔面腫瘍制御学分野
  • 小林 家吉
    九州大学大学院歯学研究院口腔顎顔面病態学講座口腔病理学分野
  • 鈴木 華子
    九州大学大学院歯学研究院口腔顎顔面病態学講座顎顔面腫瘍制御学分野
  • 後藤 雄一
    九州大学大学院歯学研究院口腔顎顔面病態学講座顎顔面腫瘍制御学分野
  • 中村 誠司
    九州大学大学院歯学研究院口腔顎顔面病態学講座顎顔面腫瘍制御学分野

書誌事項

タイトル別名
  • A case of pleomorphic adenoma arising in the retromolar region
  • キュウ コウブ ニ ハッセイ シタ タケイセン シュ ノ 1レイ

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抄録

Pleomorphic adenoma is one of the most frequent salivary gland tumors. Pleomorphic adenoma derived from minor salivary glands most commonly occurs in the palate. However, few reports have described pleomorphic adenoma arising in the retromolar region. We describe a rare case of pleomorphic adenoma that developed in the retromolar region. The patient was a 68-years-old woman presenting with a painless mass in the retromolar region. The preoperative results of biopsy at another hospital and imaging examinations showed a pleomorphic adenoma. Under general anesthesia, the tumor mass was removed with adequate surgical margins, including the periosteum. The final pathological diagnosis of the extirpated specimen was pleomorphic adenoma. Follow-up examinations have shown no evidence of recurrence for 1 year 9 months after surgery. To our knowledge, only 5 similar cases have been reported in Japan. Moreover, among 223 salivary tumors treated in our hospital, there were only 2 cases (0.9%) of pleomorphic adenoma of the retromolar region.

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