Neonatal ichthyosis–sclerosing cholangitis syndrome (also known as "NISCH syndrome" and "ichthyosis–sclerosing cholangitis syndrome") is a cutaneous condition which is characterized by hypotrichosis of the scalp, alopecia, ichthyosis and sclerosing cholangitis. Only 5 cases from 3 families worldwide have been described in medical literature. It caused by mutations in the Claudin 1 gene. See also Ichthyosis prematurity syndrome List of cutaneous conditions References External links Genodermatoses Syndromes affecting the skin