Stasis Dermatitis

Question 1

stasis derm

Answer 1

r/t chronic venous incompetency to lower legs secondary to chronic venous hypertension, may lead to ulcers, common cause of id reaction eczema

Question 2

epidemiology

Answer 2

older patients, more common in women, due to incompetent valves, pooling blood, fluid and proteins leak into tissue

Question 3

clinical features

Answer 3

pitting edema on ankle, calf, shin, pruritus, inflammation –> erythema and scaling, oozing, hemosiderian staining from extravation of RBCs,atrophie blanche (white scar tissue)

Question 4

acute phase

Answer 4

infraepithelial edema with accumulation of macro and microvesicles, lymphocytes in the superficial dermis. in chronic – no inflammation. in both: dilated capilarries, hemosiderin, fibrosis

Question 5

ddx

Answer 5

plaque psoriasis, irritant derm, contact derm, asteotic eczema, MF, tinea pedis

Question 6

tx

Answer 6

control venous htn, compression stockings 20-30mmHg daily, exercise focused on calf muscles, triamcinolone 0.1% ointment at night, emollients, elevate legs above heart