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Thiamine- Responsive Megaloblastic Anemia Syndrome

Thiamine Responsive megaloblastic anemia in DlDMOA (Wolfram) syndrome has an autosomal- recessive mode of inheritance. Megaloblastic anemia and sideroblastic anemia is accompanied by diabetes insipidus (DI). diabetes mellitus (DM) .optic atrophy (OA) and deafness (D). Neutropenia and thrombocytopenia are also present. We report a 7 month old girl with congenital macrocytic anemia: a rare clinical feature of Wolfrarn.s syndrome with increased plasma levels of blood glucose, both of which dramatically responded to administration of thiamine in large doses. The patient also had neurosensorial deafness, but no improvement was observed in the deafness. We presented the case because thiamine-responsive megaloblastic anemia is a rare clinical presentation of Wolfram syndrome and after institution of treatment with thiamine. the anemia and hyperglycemia returned to normal.