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病例:孕妇,女,29岁,产0孕3。因停经13w来我院行常规产前检查。超声所见:胎儿双顶径约3.6cm,头围约14.3cm,腹围约10.8cm,股骨径约2.1cm,肱骨长约1.7cm,羊水厚度约3.3cm。胎头横切面显示单个原始脑室左、右贯通,重度扩张,未显示大脑镰及透明隔。冠状切面显示扩张的原始脑室伴巨大背侧囊肿,囊肿表面无皮层组织回声,丘
Case: pregnant women, female, 29 years old, producing 0 pregnant 3. Due to menopause 13w to our hospital routine prenatal examination. Ultrasound findings: fetal biparietal diameter of about 3.6cm, head circumference of about 14.3cm, abdominal circumference of about 10.8cm, femoral diameter of about 2.1cm, humeral length of about 1.7cm, amniotic fluid thickness of about 3.3cm. Cross section of the fetal head showed a single left ventricle, right through, severe expansion, did not show the falx and transparent septum. Coronal section shows the expansion of the original ventricle with a huge dorsal cyst, cyst surface without cortical echo, mound