skin and systemic disease Flashcards
firm waxy red/brown or yellow plaques on anterior shin, in a diabetic patient - Dx?
Necrobiosis lipoidica
ass with diabetes
diabetic patients with necrobiosis lipoidica - increased risk of what?
ulceration
thickened brown hyper pigmented velvety skin in flexural areas - Dx?
acanthosis nigricans
what systemic diseases are associated with acanthosis nigricans?
DM
Addisons
Malignancy
purple brown indurated waxy plaques on anterior shins ass with graves disease (hyperthyroid) - Dx?
pretibial myxoedema
Painful erythematous nodules on shins?
erythema nodosum
systemic conditions associated with erythem nodosum?
IBD
TB
Sarcoidosis
COCP use
Pustules and blisters that breakdown to form necrotic ulcers with purplish margins (associated with IBD and rheumatoid) ??
Pyoderma gangrenosum
necrotic deep ulcers usually on legs
Purple/brown nodules that might develop in a patient with HIV?
Kaposi sarcoma