外耳道を閉塞した母斑細胞母斑例

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  • 那須 隆
    山形市立病院済生館耳鼻いんこう科 山形大学耳鼻咽喉・頭頸部外科学講座
  • 窪田 俊憲
    山形市立病院済生館耳鼻いんこう科
  • 吉崎 直人
    山形市立病院済生館耳鼻いんこう科 仙台社会保険病院耳鼻咽喉科

書誌事項

タイトル別名
  • A Case of Nevus Cell Nevus Occupying the External Auditory Canal
  • 臨床 外耳道を閉塞した母斑細胞母斑例
  • リンショウ ガイジドウ オ ヘイソク シタ ハハ ハン サイボウ ボ ハンレイ

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We report herein on a patient with a bulky nevus cell nevus in the external auditory canal. A 43-year-old woman had a feeling of fullness in the right ear and noticed a tumor in the right external auditory canal. When the patient was first seen, a pedunculated mass lesion located at the base of the entrance to her right external auditory canal was found. As its appearance was skin-colored, it was difficult for us to make a diagnosis of nevus cell nevus at first view. It was diagnosed as a dermal nevus by a dermatologist at our hospital. We decided on the course of treatment after receiving advice from a dermatologist, and removed it surgically. Dermal nevi should be resected because of their potential for malignant change for cases and locations in which careful observation is difficult, such as in the external auditory canal.

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