Steroid sulphatase deficiency disease

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Abstract
Seventy-six ichthyotic male patients with a biochemically confirmed diagnosis of steroid sulphatase deficiency are reported. Ascertainment was based on either a previous diagnosis of placental steroid sulphatase deficiency (21 probands and 15 secondary cases), or ichthyosis with steroid sulphatase deficiency (29 probands and 11 secondary cases). The ichthyotic phenotype of the first group was indistinguishable from that of the other group, and completely fitting the classic description of recessive X-linked ichthyosis. A prominent skin peeling in early infancy was found to be a characteristic feature of this syndrome. Maldescent of the testis was registered in 9 patients: and testis cancer had been diagnosed in 2 males with normally descended gonads. This high proportion of patients with gonadal abnormalities strongly indicates a relation with the steroid sulphatase deficiency. Corneal opacities, not affecting visual acuity, were seen in 14 out of 28 males by slit-lamp examination.