derm Flashcards
1
Q
what do symmetrical target lesions indicate?
A
erythema multiforme
they’re circular raised skin lesions
2
Q
where is the inflammation in erythema nodosum? how does it present?
A
subcutaneous fat
causes tender red nodules
3
Q
necrotising deep ulcers - what is this?
A
pyoderma gangrenosum
4
Q
erythema multiforme - presentation
A
target lesions on backs of hands/feet → torso
5
Q
commonest cause of erythema multiforme
A
herpes simplex
