[Induction of subacute cutaneous lupus erythematosus by psoralen UV-A therapy]
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Updated: Aug 15, 2026

06:24
Minimal Erythema Dose (MED) Testing
Published on: May 28, 2013
1Hautklinik der Universität Münster.
Abstract:
We report on a 74-year-old female patient with psoriasis vulgaris who, under PUVA therapy, developed an exanthema with clinical and histological signs of systemic lupus erythematosus. Antibodies to Ro/SSA antigens were not detectable before the onset of the lupus exanthema but showed a high titer afterwards. At that time, we found the typical serological constellation of subacute cutaneous lupus erythematosus.

