*   1st City Hospital Ultrasound Department, Pr. Nezaleznasci 64, Minsk 220006, Belarus;
**  Ultrasound unit, Republican Center "Mother and Child", Belarus;
*** Morphologic unit, Republican Center "Mother and Child", Belarus.

Case report

Here are some 2D and 3D images of a fetus with iniencephaly and cystic hygroma. The karyotype was 45XX -c[5]/ 46XX a[10].

Images 1, 2: 12 weeks of pregnancy. Transverse 2D planes at the level of the skull showing massive cystic hygroma.

Images 3, 4: 12 weeks of pregnancy. 3D images showing cystic hygroma of the fetus with deflective position of the fetal head due to iniencephaly (image 3).