| 孟新月,解丽梅.超声诊断和鉴别诊断胎儿颅后窝池畸形[J].中国医学影像技术,2013,29(5):837~840 |
| 超声诊断和鉴别诊断胎儿颅后窝池畸形 |
| Ultrasound in diagnosis and differential diagnosis of fetal posterior fossa malformations |
| 投稿时间：2012-12-28 修订日期：2013-02-27 |
| DOI： |
| 中文关键词: 颅后窝池畸形 胎儿 诊断,鉴别 超声检查,产前 |
| 英文关键词:Posterior fossa malformations Fetus Diagnosis, differential Ultrasonography, prenatal |
| 基金项目:辽宁省科技厅科学技术计划项目(2012225019)。 |
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| 中文摘要: |
| 胎儿颅后窝池畸形主要包括Dandy-Walker综合征、Blake囊肿和颅后窝蛛网膜囊肿,其中Dandy-Walker综合征又包括典型的Dandy-Walker畸形、小脑蚓部发育不良(Dandy-Walker变异型)及巨大枕大池。各种颅后窝池畸形的预后差异较大,约90%Blake囊肿和巨大枕大池胎儿神经系统发育正常,而Dandy-Walker畸形和小脑蚓部发育不良胎儿中,约50%伴神经系统发育异常。各类型颅后窝畸形超声表现相似,鉴别诊断困难,应用二维超声与三维超声相结合,可获得理想的胎儿头部正中矢状切面,对鉴别诊断胎儿颅后窝池畸形帮助极大。 |
| 英文摘要: |
| Posterior fossa malformation consists of Dandy-Walker syndrome, including classic Dandy-Walker malformation, vermian hypoplasia (Dandy-Walker variant) and megacisterna magna, Blake's pouch cyst, as well as posterior fossa arachnoid cysts. There are great differences in the prognosis of various types of malformations. About 90% of fetuses of Blake's pouch cyst or megacisterna magna are not associated with nervous system abnormalities, and 50% of fetuses of Dandy-Walker malformation and vermian hypoplasia have normal neurologic development. The ultrasonic manifestations of different types of posterior fossa malformations are similar, leading to difficult differential diagnosis. Combining two-dimensional with three-dimensional multiplanar ultrasound can get optimal fetal median sagittal section, which is helpful to the differential diagnosis of these malformations. |
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