A Pediatric Radiology Textbook and Pediatric Radiology Digital Library
Truncus Arteriosus
Etiology: pulmonary artery arises from truncal vessel
CXR: right sided arch in 30%, shunt vascularity
Radiology Cases of Truncus Arteriosus
AP image from an aortic root injection in an angiogram shows simultaneous opacification of a right aortic arch and the pulmonary artery arising from it.