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目的:探讨产前超声检查对胎儿小脑蚓部缺失诊断的临床价值。方法:选取2014年2月至2016年3月珠海市妇幼保健院收治的48例胎儿小脑蚓部缺失患者,回顾性分析其临床资料,同时对照磁共振(MRI)检查结果。结果:产前超声检查显示,蚓部完全缺失20例,蚓部部分缺失28例,诊断准确率为97.92%(47/48);蚓部完全缺失胎儿中并发颅外异常5例(26.32%)、中枢神经系统异常7例(36.84%)、中枢神经系统异常伴随颅外异常5例(26.32%);蚓部部分缺失胎儿中并发颅外异常5例(17.24%)、中枢神经系统异常8例(27.59%),蚓部完全缺失胎儿并发症发生率明显高于蚓部部分缺失胎儿,差异具有统计学意义(P<0.05)。结论:采取产前超声检查诊断小脑蚓部缺失及合并畸形具有重要意义,是筛查胎儿小脑蚓部缺失的有效手段。
Objective: To investigate the value of prenatal ultrasound in diagnosing fetal cerebellar vermis. Methods: From February 2014 to March 2016, 48 cases of fetal cerebellar vermis deletion in Zhuhai MCH hospital were selected. The clinical data of the patients were retrospectively analyzed. The results of MRI examination were also retrospectively analyzed. Results: Prenatal ultrasound examination showed complete absence of vermis in 20 cases and partial loss of vermis in 28 cases, with diagnostic accuracy of 97.92% (47/48). There were 5 cases (26.32%) of complete absence of extracranial extracranial abnormalities in vermis, , Central nervous system abnormalities in 7 cases (36.84%), central nervous system abnormalities in extracranial abnormalities in 5 cases (26.32%); partial absence of vermis in the fetus with extracranial abnormalities in 5 cases (17.24%), central nervous system abnormalities in 8 cases (27.59%). The incidence of complete fetal complication in the vermis was significantly higher than that in the missing vermis (P <0.05). Conclusion: It is of great significance to diagnose cerebellar vermis deformity and deformity by prenatal ultrasound and it is an effective method to screen the missing part of cerebellar vermis.