[Fistula between a systemic artery and the pulmonary arterio-venous system. Apropos of a case. Review of the literature].

The authors present the case of a 19 year old man with a continuous murmurin the right latero-thoracic region, with no functional symptomatology. Complementary examination demonstrated the presence of an angiomatosis which had developed at the expense of the right internal and external mammary vessels, and communicating with the pulmonary arterio-venous system.