Strategies and challenges in the treatment of chronic venous leg ulcers

Figure 4 The male patient had varicose vein and venous insufficiency for 15 years and ulcers for 1. 5 years. A: Redness, warmth, pain, and edema with two ulcers were noticed on admission; B: The inflation of the skin was relived after initial treatment; C and D: X-ray showed calcification of the tissue around ulcers.