Stasis Dermatitis Flashcards

1
Q

stasis derm

A

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

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2
Q

epidemiology

A

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

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3
Q

clinical features

A

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

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4
Q

acute phase

A

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

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5
Q

ddx

A

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

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6
Q

tx

A

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

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