上唇に発生した Antoni A ・B 混在型神経鞘腫の1例

DOI Web Site 被引用文献2件 参考文献27件

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タイトル別名
  • A case of mixed type Antoni A and B Schwannoma of the upper lip
  • ウワクチビル ニ ハッセイ シタ Antoni A B コンザイガタ シンケイショウ シュ ノ 1レイ

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Schwannoma is a benign neoplasm arising from the Schwann cells of the neural sheath. It is a relatively rare tumor in the oral region. Schwannoma of the upper lip is extremely rare.<br>We report a case of schwannoma of the upper lip. A 77-year-old woman visited our hospital because of a painless swelling of the left side of the upper lip. Magnetic resonance images showed a well-defined, liquiform lesion that was hypointense on T1-weighted images and hyperintense on T2-weighted images. The lesion was surgically resected. Histopathological examination of the resected tumor revealed a schwannoma, which was mixture of Antoni type A and B. As of 18 months after the operation, there is no evidence of recurrence.

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