Truncus arteriosus

Truncus arteriosus (TA) is a rare congenital cardiovascular anomaly characterized by a single arterial trunk arising from the heart by means of a single semilunar valve (<I>i.e.</I> truncal valve). Pulmonary arteries originate from the common arterial trunk distal to the coronary arteries and proximal to the first brachiocephalic branch of the aortic arch. TA typically overrides a large outlet ventricular septal defect (VSD). The intracardiac anatomy usually displays situs solitus and atrioventricular (AV) concordance.

Coronary artery aneurysm

Enlargement of the diameter (cross-section) of a coronary artery as defined by a focal dilation of a segment at least 1.5 times larger than the reference vessel.

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PMID (PMCID)
17311774	MIXED_SAMPLE	Infant
	Demonstration of coronary arteries and major cardiac vascular structures in congenital heart disease by cardiac multidetector computed tomography angiography.
	Dogan OF, Karcaaltincaba M, Yorgancioglu C, Demircin M, Dogan R, Ersoy U, Celiker A, Alehan D, Haliloglu M, Boke E. Heart Surg Forum. 2007;10(1):E90-4.
	The other 3 patients had truncus arteriosus and severe left pulmonary artery stenosis (n = 1), double outlet right ventricle (n = 1), and Kawasaki disease (n = 1) with suspected coronary artery aneurysms.