英语语法分析

Of the 5 patients with heterotopia, 4 manifested epilepsy.

灰质异位5例，主要表现为癫（4例）；

Subcortical heterotopia in 7, 4 cases with callosal agenesis were accompanied.

皮质下型7例，4例合并胼胝体发育不全。

Subependymal heterotopia (SEH) can occur in isolation or with other neurologic and metabolic disorders.

室管膜下灰质异位(SEH)可以孤立的发生或伴有其他的神经或代谢性疾病。