011. Skin manifestations of systemic disease Flashcards
What are the different causes of eyrthema nodosum?
Sarcoidosis
Drugs (sulfonamides, contraceoptive pill, dapsone)
Streptococcal infection
IBD
BCG vaccination
leptospirosis
TB
What is erythema multiforme.
What are the different causes?
Target lesions, symmetrical and central blisters
Steven johnsons syndrome
Rarely collagen disorders
What is the name of the lymes disease rash?
Describe he lymes disease rash
Erythema migrans
Large eryhtematous ring with central fading
What is pyoderma gangrenosum
What conditions are associated iwth it?
Recurring nodulo-pustular ulcers with necrotic edges
IBD Autoimmune hepatitis Grnaulomatosis with polyangitis (wegner's) Myeloma Neopasia
What are Gottren’s papules?
Rough red papules on the knuckles adn extensor surfaces
May come with shaws sign rash on eyelids
Associated with dermatomyositis, lung bowel, ovarian or pancreatic malignancy
What rash is associated with coeliac disease?
Dermatitis herpetiformis- itchy blisters in groups on knees elbows and scalps
What rash is associated with hy[erthyroidism?
Oretibial myoedema- red odematous swellings above the lateral malleoli