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超声诊断胎儿单纯性侧脑室扩张的病因及预后研究进展 被引量:8

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摘要 胎儿脑室扩张是指脑脊液过多地集聚于侧脑室系统内,致使侧脑室在脑组织的发育过程中表现为扩张状态。产前经超声诊断胎儿侧脑室扩张是可靠并准确的。临床通常采用脉络丛球部后缘测量侧脑室径线,即侧脑室内侧壁内缘至外侧壁内缘之间的最大距离。该值超过均值(7.6±0.6)mm的4倍标准差即10mm可诊断脑室扩张。侧脑室径线在10—15mm且不合并超声可见的其他畸形,称为轻度侧脑室扩张或边界性扩张。侧脑室扩张的病因复杂,宫内转归及临床预后目前仍有争议。
出处 《中华医学杂志》 CAS CSCD 北大核心 2009年第31期2229-2230,共2页 National Medical Journal of China
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