脑活检显示有严重的髓鞘损伤问题是为什么会这样？

Brain biopsy revealed severe damage to the myelin sheath. Question is, why?

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轴突内可见丝状的神经原纤维及线粒体，轴突外包有髓鞘，为明暗相间的同心圆板层结构。

Filamentous neurofibrils and mitochondria were observed in axons. Axons were enveloped by myelin sheath, presented alternately dark and bright lamellae concentric configuration.

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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.

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If this is the particular kind of axon that is 'myelinated', then it might have a layer of a special substance called myelin in sheathing the axon.

假设这是一种特殊的有髓鞘的轴突,它表面上会像鞘一样地包裹上一层,称为鞘磷脂的特殊物质

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