title: Erythema elevatum diutinum: an unusual reaction to streptococcal antigen and response to dapsone.
mesh_terms: D000941:Antigens; D000942:Antigens, Bacterial; D001706:Biopsy; D003622:Dapsone / Q000627:therapeutic use*; D004890:Erythema / Q000188:drug therapy* / Q000276:immunology*; D005260:Female; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D007962:Leukocytes; D008297:Male; D008875:Middle Aged; D009336:Necrosis / Q000209:etiology; D012867:Skin / Q000473:pathology; D012882:Skin Tests / Q000009:adverse effects; D013291:Streptococcus / Q000276:immunology*; D014652:Vascular Diseases / Q000473:pathology
chemical_list: D000941:Antigens; D000942:Antigens, Bacterial; D003622:Dapsone