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Megaloblastic anemia - view of red blood cells

This picture shows large, oversized, red blood cells that are seen in megaloblastic anemia. Megaloblastic anemia can occur when there is a deficiency of vitamin B-12 or folic acid.

Reviewed last on: 11/23/2008
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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