Abstract
Abstract Background Most cases of congenital hypothyroidism are asymptomatic. When signs are evident, they are nonspecific. Characteristic clinical findings, including prolonged jaundice are seen in less than 5% of affected neonates. Clinical Case Female newborn, full term, appropriate weight for gestational age, five days old, Kramer zone 3 jaundice. The laboratory ruled out hemolysis, blood group incompatibility and TORCH infections. Hepatobiliary ultrasound showed biliary sludge. The screening for congenital hypothyroidism reported a TSH value of 38 mlU/L; the free T4 value was analyzed and was low. With the diagnosis of congenital hypothyroidism, levothyroxine therapy was started. The biliary sludge disappeared two weeks after initiation of hormone therapy. Conclusion It is important to exclude other causes of biliary sludge formation, such as sepsis, parenteral nutrition, hemolytic disease, metabolic diseases, some drugs and pyloric stenosis. Congenital hypothyroidism may be associated with biliary sludge formation; thyroid hormones have an inhibitory effect on the contractility of the sphincter of Oddi. Presentation: No date and time listed
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