"Y Sign" at the Level of the 3-Vessel and Trachea View: An Effective Fetal Marker of Aortic Dextroposition Anomalies in the First Trimester.
Marcin PasternokAgnieszka NocunAnna KnafelMariusz GrzesiakMaciej OrzechowskiKatarzyna KonarskaArtur LudwinInga LudwinPiotr ZymrozAnna ParzynskaMarcin WiechecPublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2017)
Visualization of the Y sign should increase the suspicion of aortic dextroposition anomalies in the late first trimester. The screening performance of the Y sign alone and in combination with an abnormal cardiac axis was high and may aid in the early diagnosis of aortic dextroposition anomalies in the fetus.