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孕妇,23岁,孕1产0,孕20+6周,因唐氏筛查结果为唐氏高风险而需羊水穿刺检查,穿刺前接受产前常规超声检查。二维超声发现胎儿骶尾部囊实性占位,12.1cm×8.7cm×11.8cm,以实性成分为主,团块内见多个点状强回声,后方伴声影,团块明显凸向羊膜腔(图1);CDFI示团块内较丰富血流信号(图1C),羊水量未见异常。超声诊断:胎儿骶尾部畸胎瘤可能性大。孕22+3周超声复查示胎儿骶尾部团块大小为
Pregnant women, 23 years of age, pregnancy and pregnancy 1 0, 20 + 6 weeks of pregnancy, due to Down’s screening of Down’s high risk of amniocentesis required examination, prenatal routine prenatal ultrasound. Two-dimensional ultrasound found that sacrococcygeal parenchyma of the fetus, 12.1cm × 8.7cm × 11.8cm, was mainly composed of solid components, with many punctate echoes in the mass, with sound shadow in the back and obvious mass bulge Amniotic cavity (Figure 1); CDFI showed clues more abundant blood flow signal (Figure 1C), no abnormal amniotic fluid. Ultrasound diagnosis: fetal sacrococcygeal teratoma is likely. Pregnancy 22 +3 weeks ultrasound showed fetal sacrococcygeal mass size