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1. 前庭神経鞘腫（聴神経腫）vestibular schwannoma acoustic neuroma [show details]
… Vestibular schwannomas (also known as acoustic neuromas, acoustic schwannomas, acoustic neurinomas, or vestibular neurilemomas) are Schwann cell-derived tumors that commonly arise from the vestibular …
2. 頚部腫瘤の鑑別診断differential diagnosis of a neck mass [show details]
… arising from an obstruction in the sublingual glands in the floor of mouth. The obstructed sublingual gland leads to pseudocyst formation due to mucous extravasation.… Schwannomas can arise from any peripheral nerve; in the neck, they most often arise from the vagus nerve or superior cervical sympathetic chain. Schwannoma can have an insidious…
3. 末梢神経腫瘍peripheral nerve tumors [show details]
… between schwannoma and neurofibroma is key (eg, schwannomas are seen in NF2 and schwannomatosis, neurofibromas are seen in NF1; neurofibromas can undergo malignant transformation, schwannomas do not) and …
4. シュワノマトーシスschwannomatosis [show details]
…(nonsyndromic) schwannoma from a schwannoma related to a schwannomatosis or NF2. However, the presence of abundant myxoid stroma or a hybrid tumor (one with characteristics of both neurofibroma and schwannoma) may …
5. 神経線維腫症2型neurofibromatosis type 2 [show details]
… nonvestibular schwannoma, ependymoma, cataract; and; First-degree relative with NF2; or; Unilateral vestibular schwannoma and negative LZTR1 testing (if two or more nonintradermal schwannomas) Multiple …

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舌下神経鞘腫の手術

聴神経腫瘍と同じ神経鞘腫が舌下神経から発生した良性腫瘍を指します。舌下神経とは、舌を動かす機能を支配する運動神経です。頭蓋内と舌下神経管や頭蓋外まで進展したものはダンベル型と呼ばれ、高頻度で見られます。

舌下神経鞘腫 hypoglossal schwannoma | 脳外科医澤村豊の ...

舌下神経鞘腫 hypoglossal schwannoma. 良性の神経鞘腫です. 発見されるときの症状は舌下神経麻痺です. 舌の片側だけが痩せる，片側舌萎縮 tongue atrophy というのだけが症状です. 良性の経過をたどるので，発見しても慌てて手術しません. 延髄小脳脚部や深頸部に ...