This was the first time in Vietnam, an infant with Hyperinsulinemic glycemia has been surgical treated in the Institute of Mother and infant protection and care. Newborn with ages of 10 days admitted to hospital with diagnosis of Hyperinsulinemic glycemia. The results have shown that liver and spleen was normal, size and density of pancreas were normal without tumor, exocrine glands were normal, there was hyperplasia of island of Langerhans which generated the abnormal size, multinuclear cells or megakaryocytic with thick wall. 95% of pancreas was removed
Hypoglycemia ; Leukemia, Megakaryocytic, Acute