Why the study?
The angiographic Gooseneck sign seen in atrioventricular septal defect had not been demonstrated on cardiac CT.
Cardiac CT can non-invasively demonstrate the Gooseneck sign, a characteristic finding of atrioventricular septal defects traditionally seen on invasive left ventricle catheter angiography.
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Cardiac CT may non-invasively depict the Gooseneck sign in AVSD; leaves open its role versus angiography in congenital diagnostics.
In the literature, multiple radiological signs of clinically important congenital cardiovascular abnormalities have been described which are named as per the object they resemble. These signs are very useful in learning. The Gooseneck sign is a sign seen in left ventricle catheter angiography in case of an atrioventricular septal defect. This sign has not been demonstrated on a cardiac computed tomography (CT) so far, to the best of our knowledge. We present a case showing cardiac CT pictorial equivalent of angiographic Gooseneck sign.
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Balpande et al. (2022) studied this question.
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