Figure 1. Exemplary photographs for a spectrum of clinical manifestations of chronic venous disease ranging from C1 to C6.

(a) Spider veins, reticular veins; C1. (b) Varicose veins affecting the short saphenous vein; C2. (c) Edema due to varicose veins; C3. (d) Changes in skin and subcutaneous tissue, dermatosclerosis; C4. (e) Healed venous ulcer and Atrophie blanche; C5. (f) Active venous ulcer; C6. Photographs by courtesy of Dr. P. Krusche, Capio Mosel-Eifel-Clinic, Bad Bertrich.