Elena Andreeva, MD; Natalia Odegova, MD; Svetlana Chuchvaga, MD; Natalia Bortnovskaya, MD.

Medica Genetic Center, Gomel, Belarus.

Case report

Following images show 2D and 3D ultrasound appearance of the circumvallate placenta.

Images 1, 2: The images show circumvallated part of the placenta whose edge imitate a strip inside the amniotic cavity.

Images 3, 4: Color Doppler image showing the edge of the circumvallate placenta (image 3). Image 4 shows series of 2D planes of the circumvallate placenta.

Images 5, 6: 3D images showing circumvallated part of the placenta.

Images 7, 8: 3D images showing circumvallated part of the placenta which peripheral part arises as a rampart bordering the placenta.

Images 9, 10: 3D images showing circumvallated part of the placenta which peripheral part arises as a rampart bordering the placenta.