Cystic hygroma is a cystic mass localized in the nuchal region. It is a congenital malformation of the lymphatic system. Most fetuses with cystic hygroma have abnormal karyotype.
21-week fetus, hydrops fetalis, nuchal cystic hygroma. Turner syndrome: Hydrops, nuchal edema, Macro, autopsy (72712)
Hygroma colli with septa from inside, the same case: Hygroma colli cysticum, detail, Macro, autopsy (72780)
20-week fetus, hydrops fetalis, hygroma colli cysticum. Lethal multiple pterygium syndrome: Lethal multiple pterygium syndrome, hydrops, Macro, autopsy (72777) Lethal multiple pterygium syndrome, hydrops, Macro, autopsy (72778)