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Bone marrow hemosiderin does not always reflect body iron stores.
Archives of Internal Medicine
|February 1, 1982
Summary
Hemosiderin absence in bone marrow doesn't always mean iron deficiency. In autoimmune hemolytic anemia, spleen iron can be high where red blood cells are destroyed.
Area of Science:
- Hematology
- Iron Metabolism
- Autoimmune Diseases
Background:
- Iron deficiency is typically associated with low hemosiderin levels in bone marrow.
- Hemosiderin, an iron storage complex, is a key indicator of iron status.
Observation:
- Two cases of autoimmune hemolytic anemia presented with minimal or absent bone marrow hemosiderin.
- Significant hemosiderin deposits were noted in the spleen in these patients.
Findings:
- Accelerated red blood cell (RBC) destruction in the spleen can lead to hemosiderin redistribution.
- Bone marrow hemosiderin levels may not accurately reflect total body iron in certain hemolytic conditions.
Implications:
- Spleen iron assessment may be crucial in diagnosing iron status in autoimmune hemolytic anemia.
- Rethinking diagnostic criteria for iron deficiency in hemolytic anemias is warranted.