Nerve origin of the acoustic neuroma.
作者： Atsushi Komatsuzaki , Atsunobu Tsunoda
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摘要: Two hundred and seventy-one Japanese patients who underwent surgical removal of neuroma from the cerebello-pontine angle using translabyrinthine approach were retrospectively reviewed in order to investigate nerve origin on an anatomical basis. In 269 out 271 cases, neuromas was identified. Among these 84.8 per cent tumours originated inferior vestibular (IVN), followed by superior (SVN) (8.9 cent). Of 5.6 arising nerve, however, it could not be determined whether they SVN or IVN. cases originating facial seen (0.7 No arose cochlear nerve. Currently, diagnosis acoustic is best made with Gd-enhanced magnetic resonance imaging (MRI). However, our data indicate that development a functional test individual IVN can useful for screening most facilitating their early diagnosis.
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