(Image A) Axial scan through the fetal neck in an aneuploid fetus at 12 weeks demonstrating a septated cystic hygroma (CH) and bilateral jugular lymphatic sacs (dotted line). (Image B) Axial scan through the fetal neck demonstrating bilateral jugular lymphatic sacs (arrows) in a fetus who had a normal nuchal translucency measurement and a low-risk cell-free DNA screen. These typically resolve with no adverse outcome.
