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目的:探讨胎儿部分肢体缺失的超声表现,以及产前采用连续顺序追踪法超声诊断胎儿部分肢体缺失的临床意义。方法:收集2007年7月～2010年9月于天津市中心妇产科医院就诊并行产前超声检查的孕妇的相关资料,对比分析其超声图像特征。结果:共发现29例胎儿肢体缺失。其中影响上肢25例,占86.2%;影响下肢2例,占6.9%;影响四肢2例,占6.9%。纵向肢体缺失16例,占55.2%;横向肢体缺失13例,占44.8%。合并其他畸形16例,占55.2%。结论:尽管许多胎儿肢体缺失需经X射线检查或于出生后才能确诊,但若采取正确的顺序和方法对胎儿进行全面的超声检查,发现形态学上的改变,仍是产前超声诊断胎儿先天性肢体缺失的关键。
Objective: To investigate the ultrasound manifestations of partial fetal limb loss and the clinical significance of prenatal diagnosis of fetal limb loss by continuous sequential ultrasound. Methods: The data of pregnant women who were diagnosed with prenatal ultrasound in Tianjin Obstetrics and Gynecology Hospital from July 2007 to September 2010 were collected, and the characteristics of their ultrasound images were compared. Results: A total of 29 cases of fetal limb defects were found. Among them, 25 cases affected upper limbs, accounting for 86.2%; 2 cases affected lower limbs, accounting for 6.9%; 2 cases affected limbs, accounting for 6.9%. There were 16 cases of vertical limb loss, accounting for 55.2%; 13 cases of lateral limb loss, accounting for 44.8%. Other deformities combined 16 cases, accounting for 55.2%. CONCLUSIONS: Although many fetal limbs are subject to X-ray examination or postnatal diagnosis, a complete ultrasound examination of the fetus in the correct sequence and method reveals that morphological changes are still diagnosed by prenatal ultrasound The key to sexual limb loss.