Bilateral choroid plexus cysts - antenatal

Case contributed by Ammar Haouimi
Diagnosis almost certain


G2P1 at 20 weeks gestation. Routine ultrasound.

Patient Data

Age: 30 years
Gender: Female

The selected ultrasound images show small rounded well-defined cysts of the choroid plexus of the lateral ventricles, measuring 7 mm on the right and 9 mm on the left.

Case Discussion

Ultrasound feature of bilateral choroid plexus cysts with no associated fetal anomalies (isolated cysts). They generally disappear by 26-28 weeks in utero and are of no significance in most cases. If there are other associated abnormalities or high risk for aneuploidy, amniocentesis is recommended.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

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

 Thank you for updating your details.