Band heterotopia is diagnosed by visualization on MRI of a smooth layer of gray matter separated from the cortex and ventricles by white matter.
带状异位在MRI上表现为一个平滑的灰质带位于脑室和皮质之间，中间夹以脑白质。
There are three clinically useful classifications of gray matter heterotopia: subependymal, band, and subcortical heterotopia.
临床上有三种分类：室管膜下、带状、皮层下灰质异位。
Objective To evaluate the role of MRI in diagnosis and differential diagnosis of gray matter heterotopia(GMH).
目的探讨脑灰质异位症（GMH）的MR I诊断及鉴别诊断。
Objective To evaluate the role of MRI in diagnosis and differential diagnosis of gray matter heterotopia(GMH).
目的探讨脑灰质异位症（GMH）的MR I诊断及鉴别诊断。
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