Ultrasound finding of choroid plexus cyst is associated with which condition?

Choroid plexus cysts are typically small fluid-filled sacs located in the choroid plexus of the brain, and while they may be seen on prenatal ultrasounds, they are often considered benign findings. However, they have been investigated for associations with chromosomal abnormalities.

The association of choroid plexus cysts with Trisomy 18, also known as Edwards syndrome, is notable because many prenatal markers are evaluated for their potential link to this condition. In the case of Trisomy 18, the presence of choroid plexus cysts can be part of a range of ultrasound findings that suggest an increased risk for this genetic disorder. It is important to recognize that while choroid plexus cysts can be observed in normal pregnancies, their presence raises clinical suspicion when viewed in the context of other abnormal findings.

In contrast, the conditions of Down syndrome and Turner syndrome have different key ultrasound markers that are more strongly associated, such as nuchal translucency and certain structural anomalies, respectively. For example, Down syndrome is often indicated by increased nuchal translucency or specific cardiac defects, while Turner syndrome frequently presents with other markers like cystic hygroma. Trisomy 18 is the condition wherein ch