Megaloblastic anemia

Megaloblastic anemia is a group of anemia caused by a disorder of DNA synthesis. It is mainly caused by a lack of vitamin B12 or folic acid in the body. It can also be caused by inherited or drug-acquired DNA synthesis disorders. cause. About 95% of the cases are due to nutritional anemia caused by folic acid or (and) vitamin B12 deficiency. In its early stages, it is not uncommon for patients with pure folic acid or vitamin B12 deficiency. Vegetative megaloblastic anemia is regional. It is more common in China's northwestern regions such as Shanxi and Shaanxi Province, with a prevalence of 5.3%. Malignant anemia is rare in China.

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