What is the most likely diagnosis for this boy who was born at 36 weeks gestation weighing 1800 g?: (A) Congenital parvovirus B19 infection, (B) Fetal alcohol syndrome, (C) Neonatal thyrotoxicosis, (D) Nesidioblastosis
Answer is C. Answer C. Neonatal thyrotoxicosisThe upper eyelids are retracted and subcutaneous fat is virtually absent, findings that are most consistent with a diagnosis of neonatal thyrotoxicosis. Mother and child recovered with treatment.