X-linked ichthyosis X-linked ichthyosis X-linked ichthyosis (XLI) (also known as ") 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. XLI manifests with dry, scaly skin and is due to deletions or mutations in the "STS" gene. XLI can also occur in the context of larger deletions causing contiguous gene syndromes. Treatment is largely aimed at alleviating the skin symptoms. The term is from the Ancient Greek 'ichthys' meaning 'fish'. The major symptoms of XLI include scaling of the skin, particularly on the neck, trunk, and
Medical Corps of the Swedish Armed Forces Medical Corps of the Swedish Armed Forces Medical Corps of the Swedish Armed Forces (, Medk) was a joint administrative corps for military physicians and military veterinarians in the Swedish Armed Forces. It was formed in 1969 (SFS 1969:409) by merging the Swedish Field Medical Corps ("Fältläkarkåren"), the Swedish Naval Medical Officers’ Corps ("Marinläkarkåren") and the Swedish Army Veterinary Corps. Its head was the Surgeon-General of the Swedish Armed Forces and was subordinate to the Supreme Commander of the Swedish Armed Forces. The Surgeon-General had at his disposal a staff body, the medical corps office, which was organizationally part of