Introduction
Erythemaelevatumdiutinum(EED)isarareskindiseasecharacterizedbyindolentred-to-purplepapulesandnodules,usuallyoccurringsymmetricallyonextensorsurfacesanddorsaljoints.1Histologiccharacteristicsincludeleukocytoclasticvasculitisofthemidandpapillarydermalvesselswithfibrinoidnecrosisandadensedermalinfiltratecharacterizedpredominantlybyneutrophils,withfibrosisinolderlesions.AreviewoftheliteraturedescribedEEDassociatedwithawiderangeofclinicalillnesses,includinghematologicabnormalities(most北京白癜风的有效治疗方法北京哪家医院治疗白癜风效果好
