整形外科と災害外科
Online ISSN : 1349-4333
Print ISSN : 0037-1033
ISSN-L : 0037-1033
多発性に発生した神経鞘腫の 1 例
川村 英樹東福 勝宏宮口 文宏横内 雅博米 和徳小宮 節郎
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2005 年 54 巻 3 号 p. 582-584

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A case of multiple schwannoma is reported. A 19-year-old female presented multiple mass in the right femur, right brachium, left palm, right hilum renalis and cauda equina.
Head MR imaging showed bilateral vestibular schwannoma. Histopathological diagnosis of all tumors except the tumor in right hilum renalis and vestibular schwannoma showed the same pattern of Antoni A tissue and Antoni B tissue as schwannoma. Thus this case was diagnosed as neurofibromatosis type 2. There does not appear to be any malignant transformation of neurofibromatosis type 2-related schwannomas. But because of the critical location of many of these tumors in the cranium or spinal cord, patients may succumb to the space-occupying effects of their tumors, and should be carefully observed for a long period.

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© 2005 西日本整形・災害外科学会
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