What are the characteristics of discoid lupus in systemic lupus erythematosus (SLE)?

Updated: Aug 04, 2021
  • Author: Christie M Bartels, MD, MS; Chief Editor: Herbert S Diamond, MD  more...
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Discoid lupus is a chronic lupus rash. [82] Discoid lesions often also develop in sun-exposed areas but are plaquelike in character, with follicular plugging and scarring. They may be part of systemic lupus or may represent discoid lupus without organ involvement, which is a separate diagnostic entity. Discoid lesions can develop in up to 25% of patients with SLE; a small case series suggested that the presence of such lesions may indicate milder disease or less renal involvement. [83] In another review, it was reported that patients with discoid lesions rarely progressed to systemic SLE disease; there is a 5% risk of discoid lupus disease developing into the systemic condition. [84]

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