Serum ferritin
Ferritin is one of the main forms of iron stored in the human body. It has the ability to combine iron and reserve iron to maintain the iron supply in the body and the relative stability of hemoglobin. Serum ferritin measurement is the most sensitive indicator for detecting iron deficiency in the body. It is used to diagnose iron deficiency anemia, liver disease, etc. It is also one of the markers of malignant tumors.
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