胎儿小脑蚓部的发育：宫内超声评估
The development of the fetal vermis: an in-utero sonographic evaluation.
作者信息
Zalel Y, Seidman D S, Brand N, Lipitz S, Achiron R
机构信息
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel.
出版信息
Ultrasound Obstet Gynecol. 2002 Feb;19(2):136-9. doi: 10.1046/j.0960-7692.2001.00621.x.
OBJECTIVE
To establish a nomogram for fetal vermis measurements during gestation.
METHODS
A prospective cross-sectional study of normal singleton pregnancies. Measurements of the fetal vermis width (in the axial plane) and height (in the sagittal plane) were performed by high-resolution transabdominal ultrasonography between 18 and 38 weeks of gestation in 256 fetuses.
RESULTS
Adequate vermis measurements were obtained in 256 fetuses. Vermian width and height as a function of gestational age and biparietal diameter were expressed by regression equations and the correlation coefficients were found to be highly statistically significant (P < 0.0001). The normal mean (+/- SD) for each gestational week was defined.
CONCLUSIONS
The present data offer the normal range of the vermian measurements throughout gestation. These values may allow intrauterine assessment of the development of the cerebellar vermis, as well as the posterior fossa.
目的
建立妊娠期胎儿小脑蚓部测量的列线图。
方法
对正常单胎妊娠进行前瞻性横断面研究。在妊娠18至38周期间，采用高分辨率经腹超声对256例胎儿的小脑蚓部宽度（在轴平面）和高度（在矢状平面）进行测量。
结果
256例胎儿均获得了足够的小脑蚓部测量数据。通过回归方程将小脑蚓部宽度和高度表示为孕周和双顶径的函数，发现相关系数具有高度统计学意义（P < 0.0001）。确定了每个孕周的正常均值（±标准差）。
结论
目前的数据提供了整个妊娠期小脑蚓部测量的正常范围。这些数值可用于宫内评估小脑蚓部以及后颅窝的发育情况。
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