中国人群胎儿胼胝体发育的超声研究。
Sonographic study of the development of fetal corpus callosum in a Chinese population.
作者信息
Zhang Hai-chun, Yang Jie, Chen Zhong-ping, Ma Xiao-yan
机构信息
Department of Ultrasound, Maternal and Children Hospital of Guangdong Province, Guangzhou Medical College, No 13, Guang Yuan Xi Road, Guangzhou, Guangdong Province, China.
出版信息
J Clin Ultrasound. 2009 Feb;37(2):75-7. doi: 10.1002/jcu.20531.
PURPOSE
The observation of fetal corpus callosum (CC) is important for the prenatal sonographic assessment of fetal central nervous system development. The aim of this study was to investigate the development of normal Chinese fetal CC.
METHOD
CC measurements were performed using high-resolution transabdominal sonography on 622 Chinese fetuses between 16 and 39 weeks' gestation. The correlation between CC size and gestational age was investigated.
RESULTS
The fetal CC length increased in a linear fashion during pregnancy. The length of the CC as a function of gestational age was expressed by the following regression equation: length (mm) = -9.567 + 1.495 x gestational age (weeks) (r = 0.932, p < 0.001).
CONCLUSION
Knowledge of normal CC appearance may help identify developmental anomalies and enable accurate prenatal counseling.
目的
观察胎儿胼胝体（CC）对于胎儿中枢神经系统发育的产前超声评估很重要。本研究的目的是调查正常中国胎儿CC的发育情况。
方法
使用高分辨率经腹超声对622例孕16至39周的中国胎儿进行CC测量。研究了CC大小与孕周之间的相关性。
结果
孕期胎儿CC长度呈线性增加。CC长度与孕周的函数关系由以下回归方程表示：长度（mm）=-9.567 + 1.495×孕周（周）（r = 0.932，p < 0.001）。
结论
了解正常CC的表现可能有助于识别发育异常并进行准确的产前咨询。
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