Missed our latest free live-stream? Catch up now on our Procedure Tips (Chris Nicholas) and Right Lower Quadrant Pain (Matt Morgan)

Absent ductus venosus

Case contributed by Dr Ersen Alp Özbalcı


2nd pregnancy. 14 weeks of gestation. Patient referred for 11 to 14 weeks detailed ultrasound examination.

Patient Data

Age: 30 years
Gender: Female

Antenatal ultrasound

Typical ductus venosus spectrum is seen while umbilical vein is seen connecting vena cava inferiorly. Tricuspid valve spectrum is normal

Case Discussion

The umbilical vein bypasses the portal sinus and the liver and is connected to the systemic venous circulation via an abnormal venous channel extending from the umbilical vein to the midportion of the inferior vena cava.

PlayAdd to Share

Case information

rID: 42572
Published: 28th Jan 2016
Last edited: 28th Dec 2019
Inclusion in quiz mode: Excluded

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.