DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Ulcers on the legs of a 71 year old female patient with a history of varicose veins and venous insufficiency. Venous insufficiency is the failure of valves in the veins to function properly which interferes with blood flow to the heart. The ulcers were triggered by minimal trauma and took many months to heal.
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