Lichen sclerosus (LS) is a rare condition that creates patchy, thin, white skin. Lichen sclerosus might affect skin anywhere on one's body, but it generally involves skin in the vulva, foreskin of the penis or skin around the anus. Csillag's Disease (Sclerosus) Guttate Morphea (Sclerosus) Guttate Scleroderma, Lichen Sclerosus Type Hallopeau I Disease Lichen Sclerosus et Atrophicus Von Zambusch Disease White-Spot Disease Medicinal and surgical treatments are available to treat the disorder. If you or a loved one has this debilitating disease, this book offers an insight into the various treatment options."