Venous ulcer, a common cause for nonhealing leg ulcers

Venous ulcers are wounds that occurs due to improper functioning of venous valves of legs, in 70 to 90% of cases its cause for leg ulcers and affects medial side of leg above the medial melleolus. Venous hypertension results of malfunctioning of valves leads to change in microcirculation of skin of lower extremity, give rise to edema, lipomatoscelerosis or stasis dermatitis, devolpment of pigmentation, hyperkeratosis. Atrophic blanche and nonhealing ulcer. In this process, lymphatic vessels enlarged, capillieries flow occluded by microthrombis and leak of protein and RBCs occurs, this process responsible for pathological changes.

Diagnosis : Blood sugar to exclude diabetic foot ulcers Duplex USG to detect point of valve leak and extent of reflex. A rteriogrphy to exclude arterial disease, atheroscelosis, embolism or stenosis, most of arterial ulcers occurs on lateral side of leg. B…