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  2. Vitamin A - Wikipedia

    en.wikipedia.org/wiki/Vitamin_A

    Vitamin A status involves eye health via two separate functions. Retinal is an essential factor in rod cells and cone cells in the retina responding to light exposure by sending nerve signals to the brain. An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell ...

  3. Abetalipoproteinemia - Wikipedia

    en.wikipedia.org/wiki/Abetalipoproteinemia

    Abetalipoproteinemia (also known as: Bassen–Kornzweig syndrome, microsomal triglyceride transfer protein deficiency disease, MTP deficiency, and betalipoprotein deficiency syndrome [2]) is a disorder characterized by abnormal absorption of fat and fat-soluble vitamins from food. [3]

  4. Malabsorption - Wikipedia

    en.wikipedia.org/wiki/Malabsorption

    Specific vitamins like vitamin D or micronutrient like zinc levels can be checked. Fat soluble vitamins (A, D, E and K) are affected in fat malabsorption. Prolonged prothrombin time can be caused by vitamin K deficiency. [citation needed] Serological studies. Specific tests are carried out to determine the underlying cause.

  5. Vitamin A deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_A_Deficiency

    Vitamin A supplementation of children under five who are at risk of VAD has been found to reduce all‐cause mortality by 12 to 24%. [29] Side effects of vitamin A supplements are rare. Vitamin A toxicity is a rare concern associated with high levels of vitamin A over prolonged periods of time.

  6. Pancreatic cancer - Wikipedia

    en.wikipedia.org/wiki/Pancreatic_cancer

    Pancreatic cancer is among the most deadly forms of cancer globally, with one of the lowest survival rates. In 2015, pancreatic cancers of all types resulted in 411,600 deaths globally. [8] Pancreatic cancer is the fifth-most-common cause of death from cancer in the United Kingdom, [19] and the third most-common in the United States. [20]

  7. Trousseau sign of malignancy - Wikipedia

    en.wikipedia.org/wiki/Trousseau_sign_of_malignancy

    Potential Mechanisms of Cancer-Related Hypercoagulability: Cancer-associated thrombosis can result from: (1) stasis, i.e., direct pressure on blood vessels by the tumor mass, poor performance status, and bed rest following surgical procedures; (2) iatrogenic, due to treatment with antineoplastic medications; and (3) secretion of heparanase from ...

  8. Gastrinoma - Wikipedia

    en.wikipedia.org/wiki/Gastrinoma

    The normal levels of gastrin are 150 pg/mL ( > 72.15 pmol/L); therefore elevated levels of > 1000 pg/mL (> 480 pmol/L) would establish the diagnosis of gastrinoma. [17] Another test that can be conducted is the secretin stimulated test, [ 6 ] which is useful in patients who have the sign and symptoms of gastrinoma but the gastrin levels are ...

  9. Pancreatic neuroendocrine tumor - Wikipedia

    en.wikipedia.org/wiki/Pancreatic_neuroendocrine...

    Up to 90% [12] of PanNETs are nonsecretory or nonfunctional, in which there is no secretion, or the quantity or type of products, such as pancreatic polypeptide (PPoma), chromogranin A, and neurotensin, do not cause a clinical syndrome although blood levels may be elevated. [13] In total, 85% of PanNETs have an elevated blood marker. [2]

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