Bronshtein M, Ben-Shlomo I
Department of Obstetrics and Gynecology B, Rambam Medical Center, Haifa, Israel.
J Clin Ultrasound. 1991 Nov-Dec;19(9):547-53. doi: 10.1002/jcu.1870190905.
Fetal intracranial pathology detected in the early second trimester during 1237 transvaginal sonographic scans is presented. In a sharp contrast to simple choroid cysts, which disappear at the end of the second trimester as part of a benign course, gross distortion of the choroid plexus was found to be related to the later diagnosis of hydrocephalus. Three patterns of this abnormality are early absence of the plexus, hypoplasia and shrinkage, and "Swiss cheese" appearance. Ventriculomegaly in hydropic fetuses does not distort the normal architecture of the choroid plexus. Certain abnormal features of the choroid plexus, observed as early as the 14th week, menstrual age, are landmarks of developing hydrocephalus, currently detectable only later in pregnancy.
本文介绍了在1237次经阴道超声扫描中于孕中期早期检测到的胎儿颅内病变。与单纯脉络丛囊肿形成鲜明对比的是，单纯脉络丛囊肿在孕中期末作为良性过程的一部分会消失，而脉络丛的严重变形被发现与脑积水的后期诊断有关。这种异常有三种模式：脉络丛早期缺失、发育不全和萎缩，以及“瑞士奶酪”样外观。水肿胎儿的脑室扩大不会扭曲脉络丛的正常结构。早在月经龄第14周就观察到的脉络丛某些异常特征是正在发展的脑积水的标志，目前只能在妊娠后期检测到。
