Initially intensive parenteral substitution is recommended to also influence the vitamin B12 body reserve. In cases with dietary vitamin B12 deficiency this therapy can be discontinued later on if the dietary regime has been changed. In congenital vitamin B12 malabsorption (Imerslund-Grasbeck syndrome)...
The most common nutritional anemias result from iron, vitamin B12 or folate deficiency. Less commonly anemia can be caused by deficiency of vitamins A and E, thiamine, pyridoxine, and copper.doi:10.1002/9781444398595.ch45Ralph GreenWiley‐BlackwellRalph, Green. Nutritional Anemia. 2012:, 586-601...
Macrocytic anemia is a condition that usually does not appear on its own but is caused by an underlying condition. The most common causes of macrocytic anemia include: Vitamin B12 deficiency Folate deficiency Even though the patient takes adequate vitamins through diet, they may not be absorbed we...
Folate deficiency anemia occurs in about 4 of 100,000 people. Pernicious anemia is caused by a deficiency of intrinsic factor, a substance secreted by the stomach parietal cells that is necessary for absorption of vitamin B12 (cobalamin). Because vitamin B12 may be stored for several years, ...
be caused by disorders of thebone marrow, as inleukemiaandaplastic anemia, or bydeficiencyof one or more of the nutrients, notably vitamin B12,folic acid(folate), andiron, that are necessary for the synthesis of red cells. Lower production may also be caused by deficiency of certain hormones...
Vitamin-deficiency anemiacan happen when you aren’t getting enough vitamin B12 andfolate. You need these two vitamins to make red blood cells. This kind of anemia can be caused by: Dietary deficiency: If you eat little or no meat, you might not get enough vitamin B12. If you overcook ...
Vitamin B12 deficiency.The body needsvitamin B12to form healthy red blood cells. When a pregnant woman doesn't get enough vitamin B12 from their diet, their body can't produce enough healthy red blood cells. Women who don't eat meat, poultry, dairy products, and eggs have a greater risk...
Pernicious anemiais caused by a deficiency of intrinsic factor, a substance secreted by thestomach parietal cellsthat is necessary for absorption of vitamin B12(cobalamin). Because vitamin B12may be stored for several years, this form ofnutritional deficiencyis rare and usually does not develop until...
Coexistence of Megaloblastic Anemia and Iron Deficiency Anemia in a Young Woman with Chronic Lymphocytic Thyroiditis Pernicious anemia is a megaloblastic anemia caused by vitamin B12 deficiency, and is the end-stage of autoimmune gastritis that typically affects persons o... SH Chen,CS Hung,CP Yang...
This typically causes macrocytic anemia (large red blood cell volume). Vitamin B12, along with folate, is involved in making the heme molecule that is an integral part of hemoglobin. Folate deficiency can be the culprit of anemia as well. This may also be caused by inadequate absorption, unde...