目的分析灰质异位症的临床表现和分型。
Objective to study the clinical findings and classifications of Heterotopic Gray Matter (HGM).
方法回顾性分析12例灰质异位症的临床和影像资料。
Methods to analyse retrospectively clinical and imaging data of 12 cases with gray matter ectopic symptom.
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：提出脑灰质异位症的M R I诊断分型，提高对本病的认识。
Objective: to have some understanding of MRI diagnostic typing of brain gray matter heterotopia.
结果：灰质异位症依据形态与位置，主张将其分为四型：室管膜下型、非室管膜下型、结节型、弥漫型。
Results: Brain gray matter heterotopia were classified into four types according to their locations and shapes: subependymal type, non-subependymal type, nodular type and diffuse-type.
结果：灰质异位症依据形态与位置，主张将其分为四型：室管膜下型、非室管膜下型、结节型、弥漫型。
Results: Brain gray matter heterotopia were classified into four types according to their locations and shapes: subependymal type, non-subependymal type, nodular type and diffuse-type.
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