组织学图像和S100的阴性又不支持神经鞘瘤和神经纤维瘤。
The histology and negative staining for S100 are not consistent with schwannoma or neurofibroma.
结果：神经鞘瘤和神经纤维瘤的超声表现是：两者都为实性低回声肿物，卵圆形，边界清晰，并可见肿物与神经纤维相连。
Results:The similarities of neurilemma and neurofibroma were that both of them were oval, well defined, hypoechoic solid tumors and the nerves connected with the masses.
神经鞘瘤不易和其他良性肿瘤鉴别，好比神经纤维瘤和光滑肌瘤。
Schwannomas are not easily distinguished from other benign tumors such as neurofibromas and leiomyomas.
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