[The diagnosis of lymphatic vascular dysplasia and lymphatic fistula formation].

The importance of lymphangiography for diagnosing the formation of lymphatic fistulas and vascular dysplasias of the lymphatic vessels is on the increase within the scope of therapeutic invasiveness. Its importance and ranking in diagnosing lymphatic circular disorders is demonstrated and exemplified by case reports on three patients suffering from chylothorax of various origin, on one patient with chyluria, and one patient with lymphoedema in the soft parts of the neck. In two chylothorax patients, lymphangiography resulted in successful surgery. It is the decisive method in diagnosis and therapy planning in fistulas and dysplasias of the lymphatic vessel system.