Medicine
Dermatologic Manifestations of Systemic Lupus Erythematosus
Quick fact
The classic malar rash (butterfly rash) is actually a form of acute cutaneous lupus, and it spares the nasolabial folds—a subtle yet crucial detail for diagnosis.
Why this is interesting
You've probably heard of the 'butterfly rash' of lupus—but did you know that skin symptoms appear in up to 80% of people with SLE and often precede the systemic diagnosis?