Non-immune hydrops fetalis secondary to cystic hygroma

Case contributed by Dr Mohamed Saber


Pregnant, gestational age is 20 weeks, with lower abdominal pain

Patient Data

Age: 25 years
Gender: Female

Large multiloculated cystic lesion of the neck measures 5 x 5.5 x 4 cm (about 60 mL). It appears anechoic with internal septations. No flow on color duplex study. Associated ascites, pleural effusion, and skin thickening.

Case Discussion

Cystic hygroma refers to a cystic variety of congenital lymphangioma which, most commonly, occurs in the cervicofacial regions. It is usually associated with other congenital anomalies. It may be complicated by the development of non-immune hydrops fetalis which often indicates a poorer prognosis. Differential diagnosis of a cystic hygroma includes cervical teratoma, occipital encephalocele, and cervical meningocele.

Contribution by Dr Somia Elbadawy.

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