011. Skin manifestations of systemic disease Flashcards

1
Q

What are the different causes of eyrthema nodosum?

A

Sarcoidosis

Drugs (sulfonamides, contraceoptive pill, dapsone)

Streptococcal infection

IBD

BCG vaccination

leptospirosis
TB

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2
Q

What is erythema multiforme.

What are the different causes?

A

Target lesions, symmetrical and central blisters

Steven johnsons syndrome

Rarely collagen disorders

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3
Q

What is the name of the lymes disease rash?

Describe he lymes disease rash

A

Erythema migrans

Large eryhtematous ring with central fading

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4
Q

What is pyoderma gangrenosum

What conditions are associated iwth it?

A

Recurring nodulo-pustular ulcers with necrotic edges

IBD
Autoimmune hepatitis
Grnaulomatosis with polyangitis (wegner's)
Myeloma
Neopasia
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5
Q

What are Gottren’s papules?

A

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

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6
Q

What rash is associated with coeliac disease?

A

Dermatitis herpetiformis- itchy blisters in groups on knees elbows and scalps

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7
Q

What rash is associated with hy[erthyroidism?

A

Oretibial myoedema- red odematous swellings above the lateral malleoli

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