An ultrasound finding of pyelectasis is commonly linked with which condition?

The association of pyelectasis with Trisomy 21, also known as Down syndrome, is well-documented in prenatal ultrasound findings. Pyelectasis refers to the dilation of the renal pelvis, which can be identified during an ultrasound. In the context of Down syndrome, this finding can be part of a broader spectrum of markers that may increase the suspicion of this genetic condition.

Pyelectasis, as an isolated finding, raises concerns particularly during the second trimester scan. The presence of pyelectasis can prompt further evaluation and risk assessment for chromosomal abnormalities, especially when other sonographic indicators are also present. It is essential for clinicians to recognize that while pyelectasis can occur in the general population, its heightened association with Trisomy 21 underscores the need for careful counseling and potential genetic testing in expectant parents.

The other conditions listed do not have as strong a direct link to pyelectasis in the context of prenatal findings. This makes Trisomy 21 the most relevant choice in this scenario when considering typical ultrasound markers.