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Related to right aortic arch: double aortic arch
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Crossed pulmonary arteries are a rare cardiac abnormality that often associates with congenital heart disease such as ventricular septal defect, right aortic arch, interrupted aortic arch and truncus arteriosus and chromosomal abnormalities such as chromosome 22q11 deletion.
On the volume-rendered reformatted images, the ring conforms to a double aortic arch with stenosis of the right aortic arch component.
Common cardiac defects in VCFS include ventricular septal defects, tetralogy of fallot and right aortic arch defects (15).