<prompt> The features of neonatal hypehyroidism include all exceptTriangular facies with craniosynostosisCongestive cardiac failureAdvanced osseous maturationGoiter is rare  <response>: The diagnosis is confirmed by the demonstration of elevated serum free T4 and T3 levels.The presence of goiter infiltrative eye signs and hypehyroidism is suggestive of Grave;s disease. Absence of goiter should raise the possibility of transient hypehyroidism as a pa of autoimmune thyroiditis. Reference: OP Ghai,essential paediatrics,8 th edition,page no 520 