P11 Myelodysplasie associees a des anomalies constitutionnelles chez l'enfant

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A 4-year-old girl known to have peripheral uridine diphosphate–galactose 4-epimerase deficiency was examined for bruising and thrombocytopenia. She had dysplastic peripheral blood and bone marrow changes, with a global platelet function defect. Uridine diphosphate–galactose-4-epimerase participates in a metabolic pathway that provides substrates for posttranslational glycosylation of secreted and membrane glycoproteins, including hematopoietic growth factors and their receptors; there may be a causal relationship between the two disorders. (J PEDIATR 1995;127:605-8)