<unk>  <unk>  is a skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males. <unk>  manifests with dry, scaly skin and is due to deletions or mutations in the STS gene. <unk>  and can also occur in the context of larger deletions causing contiguous gene syndromes. Treatment is largely aimed at alleviating the skin symptoms.
X-linked ichthyosis
Dyskeratosis congenita
Linear atrophoderma of Moulin
Epidermolysis bullosa dystrophica
Anetoderma
Chondrodysplasia punctata
Yellow nail syndrome
Xeroderma