Omphalocele Secondary to Spontaneous Rupture of Allantoic Cyst in the Third Trimester of Pregnancy

Figure 1

Allantoic cyst during ultrasound examination at the 13th week of gestation. Note its position within the umbilical cord and adjacent to the abdominal wall. It is avascular, in communication with the bladder and embraced by the two umbilical arteries.