A cystic hygroma is an anomaly caused by complications in lymphatic duct development in the soft tissues of the neck. It is characterized by either single or multiple cysts that may contain internal septations.
Cystic hygroma are mostly found protruding from the posterior and lateral aspects of the neck
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| The trans abdominal ultrasound images reveal an intrauterine fetal demise. A large cystic structure was found protruding from the posterior aspect of the fetal neck. The borders are smooth and regular and there are internal septations. There is severe oligohydramnois. There are large amounts of fluid in the thoracic and abdominal cavities. The fetus measurements do not correspond to the gestational age. BPD: 3.76cm / 17weeks 3 days HC: 14.84cm / 18 weeks AC: 16.61cm / 21 weeks 4 days FL: 2.38cm / 17 weeks 1 day. According to the patients LMP and EDC the fetus should measure 19 weeks and 6 days. The increased abdominal circumference is due to the fetal ascites. |
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| Multi- septated cystic mass left lower neck, extending to axilla and anterior chest wall. The enhancing septae may represent combined venous malformation. |
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