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Figure 2 Stretching of the Circumflex Artery
Oblique multiplanar reconstruction (A) showing the origin of the right coronary artery in a child presenting with a Yacoub type D coronary distribution. The left circumflex artery arises from the right neosinus and follows a long retroaortic course with substrantial stretching of its proximal segment (arrow). A neosinus had been surgically created to treat a stenosis of the right ostium. (B) Corresponding invasive angiogram: selective catheterization of the right neosinus, showing the right coronary artery and the stenosis (arrow) of the proximal segment of the retroaortic circumflex artery. Abbreviations as in Figure 1.
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