Dermatitis contact allergic: chronic itchy dermatitis with blurred reddish-brown plaques, HV has been shown to be caused by multiple hair dyeings with a hair dye containing para-phenylenediamine.
Lupus erythematosus, subacute-cutaneous. detail magnification: solitary or confluent, small to flat, sharply defined, annular and gyrated, partly scaly plaques in a 68-year-old woman.
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