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影响脑实质容积变化因素的研究进展 被引量:1

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摘要 正常情况下人的脑实质容积平均为1200cm^3,随着年龄增大脑实质容积会逐渐缩小,即出现通常所说的脑萎缩。目前的MRI多参数组织分割方法已精确到可以发现1.5-3.0cm^3(脑总容积的0.20%~0.13%)脑实质容积变化。为临床科学研究提供了有效的技术手段。Enzingger等曾采用1.5T的MRI和脑结构影象评估技术(SIENA)对201例年龄50~75岁,平均59.8岁,无任何神经和精神系统阳性体征的社区居民进行了为期6年的观察,结果发现,
作者 王苏
出处 《中华保健医学杂志》 2009年第4期311-312,共2页 Chinese Journal of Health Care and Medicine
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