tumi4dLupus erythematosus tumidus (LET) is an uncommon and photosensitive inflammatory skin disorder which is characterised by erythematous urticarial plaques. In the last 20 years,Tumid lupus erythematosus is an autoimmune disorder similar to cutaneous lupus that is especially sensitive to lht.. Cutaneous lupus erythematosus (CLE) is an autoimmune