A case of varix dilatation of the umbilical vein and review of the literature.

Umbilical cord cysts diagnosed antenatally present a challenge to the clinician as they may be associated with adverse perinatal outcomes including abnormal karyotypes and stillbirths. We present a case of an umbilical cord cyst diagnosed by routine ultrasound at 30 weeks of gestation. Findings on sonography included unidirectional movement of echogenic particles suggesting a large varix of the umbilical vein. The patient delivered vaginally at 39 weeks and histopathology confirmed the diagnosis.