Severe Hemolytic Anemia: Atypical Presentation of Cobalamin Deficiency.
Journal of pediatric hematology/oncology(2024)
摘要
Two severe cases of hemolytic anemia are described in different pediatric age groups, both linked to severe cobalamin deficiency from distinct causes. The first case refers to an exclusively breastfed infant with vitamin deficit secondary to maternal impaired absorption. Apart from the neurological deficits present at diagnosis, he also presented with infantile epileptic spasms syndrome a few months after treatment while having normal cobalamin serum levels. The second case refers to an adolescent with long-term inadequate intake. The occurrence of severe hemolytic anemia in cobalamin deficiency is exceptionally rare.
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