CENTRAL HYPOTHYROIDISM DIAGNOSED AT BIRTH

Background. - Congential hypothyroidism is very rare compared to prima ry hypothyroidism. Its early diagnosis may escape neonatal mass screen ing using TSH assay. Case report. - Anthony was born at 37 weeks, weig hing 3,060 g. He presented with hypotony, jaundice, tongue protrusion evoking congenital hypothyroidism. Thyroid function tests favored hypo thyroidism central in origin, while the systematic neonatal screening was normal. Conclusion. - Clinical signs of congenital hypothyroidism must lead to more specific tests when neonatal screening is normal.