J Korean Med Assoc.  2006 Oct;49(10):874-884. 10.5124/jkma.2006.49.10.874.

Deficiency Anemia

• Jo DY

• KMID: 2064967
• DOI: http://doi.org/10.5124/jkma.2006.49.10.874

Abstract

Iron deficiency anemia (IDA) and megaloblastic anemia due to vitamin B12 deficiency are well-characterized prototypes of anemia. There is no doubt that IDA is the most common hematologic disorder in Korea and worldwide as well. The diagnosis and treatment of IDA is not a difficult practice usually, however, a caution is required in detecting early-stage iron deficiency and in distinguishing IDA from anemia of chronic disorders such as chronic inflammatory disease, malignancies, chronic liver disease, and chronic renal disease. Administration of a standard iron preparation at a proper dosage over an adequate period is a prerequisite for the successful treatment of IDA, which is sometimes overlooked by both physicians and patients. Early detection and treatment as well as prevention of iron deficiency per se are also required. Pernicious anemia is the most common cause of vitamin B12 deficiency in Western populations. By contrast, the disorder is rare in Korea, although the number of cases seems to be increasing these days. The majority of patients with megaloblastic anemia reveal a history of gastrectomy. Thus, it should be reminded that vitamin B12 supplementation is important to prevent the development of overt deficiency or anemia in these susceptible individuals, since a delay in the treatment of vitamin B12 deficiency may result in an irreversible neurologic deficit.

Keyword

Iron deficiency anemia; Serum transferrin receptor; Vitamin B12; Megaloblastic anemia; Pernicious anemia

MeSH Terms

Anemia*
Anemia, Iron-Deficiency
Anemia, Megaloblastic
Anemia, Pernicious
Diagnosis
Gastrectomy
Humans
Iron
Korea
Liver Diseases
Neurologic Manifestations
Renal Insufficiency, Chronic
Vitamin B 12
Vitamin B 12 Deficiency
Iron
Vitamin B 12

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