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来源：雅诚德英语网
In classic PMD, the MRI findings tend to be stable or mildly progressive over years since the primary problem is hypomyelination rather than demyelination.
在经典型PMD中，MRI异常改变在多年后都保持稳定或仅有轻微的进展，这是因为其病因在于髓鞘形成不良而不是脱髓鞘。
In classic PMD, the MRI findings tend to be stable or mildly progressive over years since the primary problem is hypomyelination rather than demyelination.
在经典型PMD中，MRI异常改变在多年后都保持稳定或仅有轻微的进展，这是因为其病因在于髓鞘形成不良而不是脱髓鞘。