[Papulous mucinosis in lupus erythematosus integumentalis]

Report on a 55-year-old female patient developing skin-colored papules on her back and shoulders after sun exposure and later on typical lupus erythematosus (LE) lesions. During therapy with chloroquine there was regression of LE and annular extension of peripherally developed mucinous papules which did not vanish entirely. Histochemically, dense reticular deposits of metachromatic mucinous material was found in the mid cutis.