结论中枢神经系统炎性脱髓鞘病ct或MRI可以有肿瘤样的非典型性表现，不易鉴别，容易造成误诊。
Conclusion CNS inflammatory demyelinating disease could have some atypical representation on CT or MRI image, they were made easily the misdiagnosis.
腓肠神经半薄切片未见明显洋葱球样结构形成，可见有髓纤维密度明显减少，大量薄髓鞘有髓神经纤维和有髓神经纤维再生簇形成。
Semithin transverse sections of sural nerve showed a decreased density of large myelinating fibers and a large number of clusters of mostly thinly myelinated axons.
特别提出肿瘤组织中有光感受器样结构，以及类似神经触突或神经髓鞘的微细装置。尤其是很多肿瘤细胞里面有大量的微丝、微管。
There were many photoreceptor Like structures and tiny fits similar to nerve palpate or neurilemma in the tissues of the tumor, especially many filaments and microtubules in the tumor cells.
坐骨神经的髓鞘存在不同程度的水肿，空泡样变性，结构紊乱和局灶性脱失。
The myelin sheath of the sciatic nerve was characterized by edema of different degrees, vacuole-like denaturation, structural derangement and local demyelination.
髓鞘成为空壳样结构，板层结构消失；神经元肿胀较前明显，细胞质内的线粒体肿胀明显。
Myelin sheaths showed shell-like structure, but its lamellar structure disappeared. Swelling of neurons and mitochondria was more obvious than which in 2-hour post injury group.
结论环己酮草酰二腙可诱导大鼠脑白质脱髓鞘、空泡样变，呈时间剂量相关性，随着时间延长和累积剂量增加，细胞凋亡及空泡形成增多；
It was related to the dosage and time. Along with the time extension and the cuprizone dosage increasement, the cell apoptosis increased and the demyelination aggravated.
本例的诊断是肿瘤样脱髓鞘病变，这被认为是一种孤立的脱髓鞘病变，大小超过2cm，其特征类似于肿瘤样病变。
The diagnosis in this case was tumefactive demyelination, which may be thought of as a solitary demyelinating lesion measuring greater than 2 cm and with characteristics that mimic neoplasm.
本例的诊断是肿瘤样脱髓鞘病变，这被认为是一种孤立的脱髓鞘病变，大小超过2cm，其特征类似于肿瘤样病变。
The diagnosis in this case was tumefactive demyelination, which may be thought of as a solitary demyelinating lesion measuring greater than 2 cm and with characteristics that mimic neoplasm.
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