产前超声诊断胎儿颅内囊性病变

目的 探讨胎儿颅内各种囊性病变的产前超声诊断思路。方法 回顾2006年1月—2009年12月产前超声检查发现的150例合并胎儿颅内囊性病变的病例,随访产后新生儿头颅超声、CT检查结果或尸检结果。结果 在150胎产前超声发现合并颅内囊性病变胎儿中,74胎为颅内正常位置腔室的异常扩张(占49.33%)。超声对于部分类型的颅内囊性病变,尤其是大脑中线部位的囊性病变鉴别诊断较困难。结论 超声发现胎儿颅内囊性病灶后,需多切面扫查明确其位置,动态观察,从而判断病灶来源和性质。

Prenatal diagnosis of cerebral cystic lesions with ultrasound

Objective To evaluate the role of prenatal ultrasound in the diagnosis of fetal cerebral cystic lesions. Methods During the period of January 2006 to December 2009, 150 fetuses with cerebral cystic lesions were encountered with ultrasound. The prenatal findings were correlated with postnatal ultrasound or CT results or autopsy findings if the pregnancy was terminated. Results Seventy-four (49.33%) in 150 fetuses were diagnosed with dilated cerebral ventricles. But it was difficult to diagnose some kinds of cerebral cysts, especially the cysts near to the middle line. Conclusion When a cerebral cystic lesion is suspected in prenatal ultrasound, it is necessary to perform the scan from different planes to ascertain the position, and serial scans are needed to judge the nature and origin.