Erythema nodosum Flashcards
1
Q
Erythema nodosum
A
- inflammation of subcutaneous fat
- caused by infection, systemic disease, drugs, malignancy
2
Q
Features of erythema nodosum
A
- tender, erythematous, nodular lesions
- occurs over shins (most commonly)
- usually resolves in 6 weeks
- lesions heal without scarring
3
Q
Causes of erythema nodosum
A
infection:
- streptococci
- tuberculosis
systemic disease:
- sarcoidosis
- IBD
- Behcet’s
malignancy or lymphoma
pregnancy
drugs:
- COCP
- penicillins
- sulphonamides