[The surgical treatment of Klippel-Trenaunay syndrome (author's transl)].

Three cases of congenital angiodysplasies of the extremities, classified as Klippel-Trenaunay syndrome, underwent to surgical treatment. These cases, clinically similar, have shown a quite different pathogenesis, according to which the surgical treatment has been modified. Once again we recommend a complete diagnostic study every time one find varicosities of the extremities which are atipical for time of appearance, territories involved or for aspect and thus be congenital varicosities with complex pathogenesis.