One Truncal Valve or Two Semilunar Valves: An Unusual Case of Truncus Arteriosus

摘要

class="kwd-title">Keywords: Truncus arteriosus, Congenital heart disease, Semilunar valves class="head no_bottom_margin" id="sec1title">IntroductionIn truncus arteriosus, a common arterial trunk arises from the heart and gives rise to the ascending aorta, pulmonary arteries, and coronary arteries. Proximal to the arterial trunk is typically a single truncal valve, the morphology of which varies. Highlighting the embryologic aberration resulting in this disease, we present the unusual finding of a partially septated truncal valve, giving the appearance of two distinct semilunar valves arrested in development, in a neonate with truncus arteriosus and aortic arch hypoplasia.