Joseph S. Durgin

Utility of IL ‐18 Immunohistochemistry in Distinguishing Dermatomyositis and Lupus Erythematosus in Skin Biopsies

ABSTRACT Background Distinction of dermatomyositis ( DM ) and cutaneous lupus erythematosus ( LE ) in skin biopsies is often difficult due to significant histopathologic overlap. Prior transcriptional analysis has identified upregulation of IL ‐18 in DM compared with LE . We aime...