[A rare case with excessive congenital arterio-venous angiodysplasy of the upper extremity].

The congenital vascular anomalies of an upper extremity are rare, but may cause serious complications during them development and haemodynamic. We present a case of one patient with congenital arterio-venous malformation of the right arm and fore-arm, advanced and progressed by impossible level of an operation or invasive treatment. The changes in the venous system are with obligate predisposition for dyabrosis, rupture and profuse bleeding from the extremity. The problems by the complex treatment of the congenital arterio-venous vascular diseases are considerable, in spite of all that the lower frequency and manifest expression to them, in particular in the cases with polyorgans comorbidity.