Acute cutaneous lupus erythematosus Flashcards
1
Q
Which of the three cutaneous lupus are most strongly a/w SLE?
A
- Acute CLE
2
Q
presentation of ACLE? (acute cutaneous lupus)
A
-transient malar erythema (butterfly rash) following sun exposure with classic sparing of the nasolabial folds (in contrast to dermatomyositis)
3
Q
What can you see develop in the molar erythema of ACLE that can help differentiate from other facial rashes?
A
- malar rash sparing NL folds - lesions can develop poikiloderma, atrophy or dyspigmentation!!
4
Q
Where else can rash of ACLE commonly present besides malar distribution?
A
V of chest, upper back, extremities, and backs of hands (sparing the knuckles!! vs dermatomyositis)
5
Q
What is the histopath of ACLE?
A
vacuolar interface dermatitis, dermal edema, sparse perivascular lymphocytic infiltrate in upper dermis
