[Right aortic arch and "isolated" left brachiocephalic arterial trunk. Fortuitous discovery in angiologic practice]

An exceptional case of congenital malformation of the supra-aortic trunks was discovered fortuitously during an angiographic examination. The echo-Doppler and arteriography findings are reported together with an outline of the most frequent congenital malformations of the supra-aortic trunks.