Truncus Arteriosus

  • Etiology: pulmonary artery arises from truncal vessel
  • CXR: right sided arch in 30%, shunt vascularity

Cases of Truncus Arteriosus

Angiogram 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.