Coronary artery anomalies overview: The normal and the abnormal

Figure 7 Prepulmonic coronary artery in a 41-year-old man with chest pain[14]. CT image (A) and volume-rendered image (B) show a prepulmonic RCA (arrows) that courses in front of and just caudal to the pulmonary artery (PA) after arising from the LAD artery (arrowhead in A). On the right: Schematic representation of prepulmonic course. Ao: Aorta; LAD: Left anterior descending; LCX: Left circumflex; RCA: Right coronary artery; M: Mitral valve; T: Tricuspid valve; L: Left sinus of Valsalva; R: Right sinus of Valsalva; N: Non-coronary sinus.