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Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Oct 7, 2009; 15(37): 4627-4637
Published online Oct 7, 2009. doi: 10.3748/wjg.15.4627
Table 1 Etiopathogenic classification of anemia
Regenerative anemia
Acute or chronic bleeding
Hemolytic anemia
Hereditary (hemoglobinopathy, enzymopathy, membrane-cytoskeletal defects)
Acquired (autoimmune, mechanical destruction, toxic-metabolic, drugs, infectious, PNH, hypersplenism)
Hypo-regenerative anemia
Bone marrow failure caused by stem cell pathology
Quantitative disorder
Selective: erythroblastopenia (pure red cell aplasia)
Global: aplastic anemia
Qualitative disorder (dysmyelopoiesis)
Inherited: hereditary dyserythropoiesis
Acquired: myelodysplasia
Bone marrow infiltration
Leukemia, lymphoma, multiple myeloma
Solid tumors
Myelofibrosis
Thesaurismosis (Gaucher disease)
Inflammatory chronic diseases, microorganisms (Histoplasma, HIV)
Drugs, hypothyroidism, uremia
Erythropoietic factors deficiency
Iron
IDA
ACD
Cobalamin and folate
Megaloblastic anemia
Hormones: erythropoietin, thyroid hormones, androgens, steroids