title: Macrocytic anemias.
abstract: Macrocytic anemias are not uncommon in clinical practice, and precise etiologic diagnosis is mandatory for proper management. Measurement of serum levels of vitamin B12 and folic acid may obviate the need for extensive diagnostic studies.
mesh_terms: D000748:Anemia, Macrocytic / Q000188:drug therapy / Q000209:etiology / Q000473:pathology; D000749:Anemia, Megaloblastic / Q000209:etiology / Q000473:pathology; D003937:Diagnosis, Differential; D004912:Erythrocytes / Q000473:pathology; D005494:Folic Acid Deficiency / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology