Aberrant right subclavian artery (ARSA)

Case contributed by Dr Ayush Goel

Presentation

Routine antenatal scan

Ultrasound

Case Discussion

ARSA is one of the 2nd-trimester soft markers. Its presence suggests an increased risk of trisomy 21 in the fetus. 

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Case information

rID: 71652
Published: 16th Oct 2019
Last edited: 17th Oct 2019
System: Obstetrics
Inclusion in quiz mode: Included

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