Sep 18, 2025 · To clarify the clinical significance and optimal management of fetal intra-abdominal umbilical vein varix (FIUVV).

She was referred to our center at the 34th week of gestation, when we confirmed an aneurysmal dilatation of the intra-abdominal umbilical vein of 11 mm, with venous flow as observed by applying …

FIUVV is uncommon, its incidence is 0.4-1.1/1000 fetuses. It is defined using one of the following criteria: the dilatation of umbilical vein over 9 mm; or dilatation>2SD above mean for gestational age; …

The demonstration of blood flow within the mass on color doppler differentiates the varix from the above cystic masses.

Jan 1, 2026 · A retrospective population-based review of singleton pregnancies with isolated fetal intra-abdominal vein varix between 2004 and 2020 at 3 tertiary centres was conducted.

FIUV represents focal dilatation of the extrahepatic intraabdominal part of the fetal umbilical vein. It appears as a round or fusiform cystic structure in the fetal abdomen between the inferior part of the …

Objective: To investigate the ultrasound characteristics and outcome of pregnancies with fetal intra-abdominal umbilical vein varix (FIUVV). Methods: Cases of FIUVV managed at our tertiary university …

FIUV varix is diagnosed on ultrasound examination by visualizing a dilated intra-abdominal, usually extrahepatic, portion of the umbilical vein. It can be differentiated from other sonolucent masses by …

Sep 6, 2017 · To investigate the ultrasound characteristics and outcome of pregnancies with fetal intra-abdominal umbilical vein varix (FIUVV). Cases of FIUVV managed at our tertiary university hospital …

We present two cases of fetal intra-abdominal umbilical vein varix (FIUVV) assessed using RadiantFlow, HDlive Flow, and Slow flow HD. In the first case, FIUVV may have been caused by a persistent right …