In which disease giant coronary aneurysms are a common complication in pediatric patients?
Giant coronary aneurysms of the right and anterior descending coronary artery.
A coronary aneurysm is considered giant when its absolute diameter its > 8 mm or has a z score >10.
The proximal right coronary artery maximum diameter of 16 mm, as a reference, it appears larger than the descending aorta.
Notice a filling defect of the right coronary artery, most likely due to a thrombus, which appears larger than it actually is due to slow flow effect (often seen in pseudo thrombus of atrial appendages). A late acquisition is usually useful to confirm its presence.