ArticleLichen Sclerosus et Atrophicus Affecting the Wrists and Left Ankle and Clinically Simulating Lichen PlanusAuthor:Pérez-Ferriols APublish date: May 1, 2001Lichen sclerosus et atrophicus (LSA) is a disease of unknown etiology, although hereditary, endocrine, and autoimmune factors are known to be invol...Read More