Department of Gynecology, Felix Guyon Hospital, 97400 Saint-Denis, Ile de la Reunion, France. Tel: 0262 90 55 22, Fax: 0262 90 77 30.

Case report

These are some images of the allantoic cyst obtained at 8th week of gestation.

Images 1, 2: 8th week of gestation - cystic structure at the level of the umbilical cord representing allantoic cyst.

Images 3, 4: Color Doppler and gray scale images showing cystic structure in the centre of the umbilical cord representing allantoid cyst.

Images 5, 6: 3D images showing round prominence at the level of the umbilical cord caused by allantoic cyst.