An ulceration of the skin caused by chronic venous insufficiency. Classically develops superior to the medial ankle. Often associated with skin changes ( hyperpigmentation) and unilateral oedema
Commonest ulcer of the leg
Basic cause is the abnormal venous hypertension in the lower third of the leg, ankle and dorsum of the feet
Also known as varicose ulcer, post-thrombotic ulcer, gravitational ulcer etc.
Types
Ulcer appears open, inflamed, and sore which may be draining or covered by a dark crust
Unevenly shaped borders
Surrounding skin: shiny, tight, hot, and discoloured
Usually only mild pain , pruritic
If infected- foul smelling pus discharge
Examination of Ulcer
Shape: Generally vertically oval in shape
Number: may be more than one in number
Position: an ulcer on the medial malleolus of a lower limb which shows varicose veins, is obviously a venous ulcer
Edge: Sloping edge is seen in healing venous ulcer
Floor: Healthy and healing- red granulation tissue, slowly healing- pale and smooth granulation tissue
Surrounding area: very often eczematous and pigmented
Tenderness: varicose ulcer may or may not be tender
Investigation
Ascending functional phlebography or venography
Venous doppler study
Treatments
Conservative treatment
Elevation of the affected limb
Passive movements to maintain the mobility of the foot and ankle
Active movements of calf muscles
Compression
Effective antibiotic from the culture report
NSAIDs
Exudative ulcer with poor granulation tissue requires daily cleansing and dressing
After healing compression stockings
Surgical Treatment
Incompetent perforators and varicose veins may be treated by surgery or sclerotherapy
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