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Iron Metabolism in Hematology

Physiology and laboratory assessment of iron status across anemia and overload

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Hematoloji department. Book Appointment →

What is Iron Metabolism in Hematology?

Iron metabolism is regulated by hepcidin, a liver peptide that suppresses ferroportin on enterocytes and macrophages, controlling iron entry into plasma. Hepcidin rises with inflammation and falls with erythropoietic demand, explaining the divergent laboratory patterns in deficiency, chronic disease, and ineffective erythropoiesis.

Laboratory assessment combines serum iron, total iron binding capacity, transferrin saturation, ferritin, and where available soluble transferrin receptor and reticulocyte hemoglobin equivalent. Iron deficiency shows low ferritin and saturation, anemia of chronic disease shows normal or high ferritin with low saturation, and iron overload shows elevated saturation and ferritin.

Management depends on the pattern. Iron deficiency is corrected with oral or intravenous iron, chronic disease requires treatment of underlying inflammation and cautious erythropoietic support, and overload from transfusions or hemochromatosis requires phlebotomy or chelation to prevent organ damage.

Symptoms

Pallor and fatigue with deficiency
Pica or restless legs in chronic deficiency
Bronze pigmentation in hereditary hemochromatosis
Hepatomegaly and liver enzyme rise in overload
Cardiac and endocrine dysfunction in late overload

Risk Factors

Heavy menstrual blood loss
Gastrointestinal bleeding sources
Chronic inflammatory or renal disease
Repeated transfusions in thalassemia
HFE mutations and hereditary hemochromatosis

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • When unexplained anemia is detected
  • When ferritin is markedly elevated
  • When transferrin saturation exceeds forty five percent
  • When liver enzymes rise on transfusion therapy
  • When endocrine disturbance accompanies anemia

Treatment Methods

01
Comprehensive iron panel with ferritin and saturation
02
Soluble transferrin receptor in mixed pictures
03
Treatment of bleeding source in deficiency
04
Oral or intravenous iron repletion
05
Erythropoiesis stimulating agents when iron is replete
06
Therapeutic phlebotomy in primary hemochromatosis
07
Iron chelation in transfusion dependent overload

Which Department to Visit?

You can visit our Hematoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.