Centro de Ecografia, Salta, Argentina

This is a 41-year-old-woman with an omphalocele diagnosed at 13 weeks and 3 days. A chorionic villus sampling was performed and the karyotype revealed a trisomy 18.

Note the omphalocele and the umbilical cord cyst.

Single umbilical artery.

Axial images showing the round mass at the level of the umbilical cord.