LCH skin disease. A range of LCH skin disease is presented. Rashes and skin lesions are pleotropic in LCH and can mimic other more common pediatric rashes associated with (A) cradle cap, (B) eczema, (C) scarlet fever or scalded skin syndrome, (D) herpes gingivostomatitis, and (E) immune thrombocytopenic purpura. (Courtesy of P. Campbell)