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<p>We present two cases of tongue schwannoma in two young males. The unusual, exogenetic clinical manifestation might be a big challenge for most dentists in making a correct diagnosis. The two patients had no special genetic or environmental background. Both patients denied cigarette smoking or alcohol abuse. Physical examination of the cervical lymph nodes yielded negative results. Their astonishing medical histories revealed that both had self-injurious practices using sharp instruments. The diagnosis of tongue schwannoma was confirmed by histopathology, revealing typical Antoni type A and B areas, and reactivity with S-100 by immunohistochemistry. The lesions were excised transorally under local anesthesia with no signs of recurrence for more than two years.</p>

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Two unusual cases of tongue schwannoma with self-injurious factors: case reports and systemic literature review

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月23日

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  • Gefei Du,
  • Jiali Zhang,
  • Xinming Chen,
  • Rui Lu,
  • Jing Zhang,
  • Enno Schmidt,
  • Gang Zhou

摘要

We present two cases of tongue schwannoma in two young males. The unusual, exogenetic clinical manifestation might be a big challenge for most dentists in making a correct diagnosis. The two patients had no special genetic or environmental background. Both patients denied cigarette smoking or alcohol abuse. Physical examination of the cervical lymph nodes yielded negative results. Their astonishing medical histories revealed that both had self-injurious practices using sharp instruments. The diagnosis of tongue schwannoma was confirmed by histopathology, revealing typical Antoni type A and B areas, and reactivity with S-100 by immunohistochemistry. The lesions were excised transorally under local anesthesia with no signs of recurrence for more than two years.