Schnur Rhonda E.

All articles by Schnur Rhonda E.

Ichthyosis, X-linked (Steroid sulfatase deficiency; STS deficiency; Placental steroid sulfatase deficiency; Steroid sulfatase deficiency disease)

Are You Confident of the Diagnosis? What you should be alert for in the history Steroid sulfatase (STS, also known as arylsulfatase C) deficiency results in the clinical disorder X-linked ichthyosis (XLI), a disorder of keratinization characterized by dark-appearing polygonal scale. The scaling is predominantly located on the body’s extensor surfaces in older affected children…

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