Megaloblastic anemia due to vitamin B12 deficiency is rare in infancy. It usually occurs in exclusively breast-fed infants born to vitamin B12-deficient mothers. We report a one-year-old female infant with initial diagnosis of leukemia who was found severely vitamin B12-deficient secondary to maternal deficiency. She had marked neurodevelopmental retardation, and presented with life-threatening anemia, findings of hemolysis, thrombocytopenia and cerebral atrophy on magnetic resonance imaging.
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Univ Calif Davis, USDA, ARS, Western Human Nutr Res Ctr, Davis, CA 95616 USAUniv Calif Davis, Dept Pathol & Lab Med, 4400 5 St,PATH Bldg, Davis, CA 95817 USA
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Univ Calif Davis, USDA, ARS, Western Human Nutr Res Ctr, Davis, CA 95616 USAUniv Calif Davis, Dept Pathol & Lab Med, 4400 5 St,PATH Bldg, Davis, CA 95817 USA
Brito, Alex
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Gueant, Jean-Louis
Miller, Joshua W.
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Rutgers State Univ, Sch Environm & Biol Sci, New Brunswick, NJ USAUniv Calif Davis, Dept Pathol & Lab Med, 4400 5 St,PATH Bldg, Davis, CA 95817 USA
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Univ Calif San Francisco, Dept Neurol, Vet Affairs Med Ctr, San Francisco, CA 94121 USAUniv Calif San Francisco, Dept Neurol, Vet Affairs Med Ctr, San Francisco, CA 94121 USA
Nakamura, K
Mukherjee, P
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Univ Calif San Francisco, Dept Neurol, Vet Affairs Med Ctr, San Francisco, CA 94121 USAUniv Calif San Francisco, Dept Neurol, Vet Affairs Med Ctr, San Francisco, CA 94121 USA
Mukherjee, P
Swanson, RA
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Univ Calif San Francisco, Dept Neurol, Vet Affairs Med Ctr, San Francisco, CA 94121 USAUniv Calif San Francisco, Dept Neurol, Vet Affairs Med Ctr, San Francisco, CA 94121 USA