CEDNIK syndrome is a neurocutaneaous syndrome characterized by severe developmental abnormalities of the nervous system and aberrant differentiation of the epidermis. The disease is MONDO_0012290 (CEDNIK syndrome). Also known as: cerebral dysgenesis, neuropathy, ichthyosis and keratoderma syndrome, cerebral dysgenesis-neuropathy-ichthyosis-palmoplantar keratoderma syndrome.