Based on the analysis of 87 pathologic complementary lymphangiographies of the lower limbs performed concomitantly with a lymphographic check-up of the pelvi-abdominal lymph nodes in various diseases, the authors have tried to establish the relationships of the moderate secondary disturbances of the lymph flow with the different pathologic antecedents affecting the lower extremities and their clinical symptoms. Emphasis is layed on the non-specificity of the early and delayed lymphangiographic aspects. The widest semeiology was recorded in phlebites and the less marked in arthroses. The more numerous and severe the antecedents, the more evident were the clinical and lymphographic signs. Penetrating wounds have a long lasting effect on the lymphatic walls. Lymphodynamic disturbances may occur in many pathologic states, phlebites, certain skin diseases, traumas. The therapeutic implications of these observations are discussed.