An Infant With Vomiting and Hypoglycemia

A 3-month-old infant presented to the emergency department with vomiting and dehydration during an acute gastrointestinal illness. Her evaluation revealed hypoglycemia and diabetes insipidus, indicating the presence of hypopituitarism. Nystagmus was present on physical examination, suggesting an underlying diagnosis of septo-optic dysplasia. Brain magnetic resonance imaging confirmed the presence of this disorder, which is characterized by visual abnormalities, hypopituitarism, and midline brain defects.