Analysis of epidermal fibrous proteins in inflammatory linear verrucous epidermal nevus

A baby had inflammatory linear verrucous epidermal nevus (ILVEN). Scale from the lesion was analyzed by sodium lauryl sulfate polyacrylamide gel electrophoresis. It showed a pattern different from psoriatic scale. This procedure was useful in distinguishing the lesion (or ILVEN) from psoriasis, the diagnosis that had been made earlier.