Erythema nodosum Flashcards
1
Q
what is it?
A
inflammation of subcutaneous fat
2
Q
how does it present?
A
tender, erythematous, nodular lesions
3
Q
where does it occur?
A
over shins, may also occur elsewhere (e.g. forearms, thighs)
4
Q
how long does it occur for
A
6 weeks
5
Q
do lesions scar?
A
no
6
Q
causes
A
- infection - streptococci, tb, brucellosis
- systemic disease - sarcoidosis, bid, behcets
3 malignancy/lyphoma
- drugs - penicillins, sulphonamides, cocp
- pregnancy
