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Skin changes in Darier's disease are related to a type of nutritional vitamin A deficiency that is caused by genetic mutations. The skin displays follicular dyskeratosis (degeneration of the skin in hair follicules), which reflects as hypovitaminosis A (systemic Vitamin A deficiency). [ 15 ]
Follicular hyperkeratosis, also known as keratosis pilaris (KP), is a skin condition characterized by excessive development of keratin in hair follicles, resulting in rough, cone-shaped, elevated papules. The openings are often closed with a white plug of encrusted sebum.
A major cause of Bitot's spots is vitamin A deficiency (VAD). [4] Rarely, pellagra due to deficiency of vitamin B 3 (niacin) may also cause Bitot's spots. [5] They can also be caused by Colestyramine , which is a bile acid sequestrant which can reduce the absorption of fat soluble vitamins (Vitamins A, D, E, K)
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PCT is characterized by onycholysis and blistering of the skin in areas that receive higher levels of exposure to sunlight. The primary cause is a deficiency of uroporphyrinogen decarboxylase (UROD), a cytosolic enzyme that is a step in the enzymatic pathway that leads to the synthesis of heme. Behind the direct cause there are a number of ...
26 pictures of skin rashes to help you identify your skin rash. ... and sensitive to light, spots in the mouth, and a splotchy, red rash that appears on the face and ears, then spreads down the ...
Vitamin C deficiency, scurvy [4] Vitamin K deficiency [4] Leukemia [4] Thrombocytopenia – Low platelet counts or diminished platelet function (e.g., as a side effect of medications or during certain infections) can give rise to petechial spots [6] clotting factor deficiencies – (Von Willebrand disease) Hypocalcemia; Idiopathic ...