[Elastosis perforans serpiginosa associated with Down's syndrome and sex-linked ichthyosis. Treatment with 13-cis-retinoic acid].

We study here the case of a male patient aged 22 years with antecedents of Down syndrome and X-linked ichthyosis. The results obtained from the administration of 13-cis retinoic acid are commented upon. The association with other diseases and the treatment are also reviewed.