[Phlebographic diagnosis of leg edemas].

The most important preliminary examinations are: the visualisation of the valves of the veins by retrograde strain phlebography, determination of the degree of the recanalisation of the deep veins and the outflow of the pump of the calf muscle. Venous edemas: congenital absence of the valves of the veins, intramural thrombosis, postthrombotic edemas, division into four degrees, combined venous-lymphatic edemas.