In which condition is an infant not producing enough bile, leading to pale stool and jaundice?

• A. Neonatal hepatitis
• B. Congenital biliary atresia
• C. Galactosemia
• D. Milk protein intolerance

Answer: (B)

Biliary atresia is a congenital condition in which the bile ducts are either absent or severely narrowed, preventing bile from being properly excreted from the liver into the intestine. This obstruction results in bile accumulation in the liver and leads to liver damage over time. Because bile is crucial for the digestion and absorption of fats and for the normal coloration of stools, the lack of bile flow results in pale (acholic) stools. Additionally, the accumulation of bilirubin in the bloodstream due to obstructed bile flow contributes to jaundice, which presents as yellowing of the skin and eyes.

This condition typically becomes apparent in infants within the first few weeks of life and requires prompt diagnosis and intervention. Early treatment, often involving surgical procedures such as the Kasai procedure to create a new pathway for bile drainage, is essential to improve the prognosis for the child. In contrast, conditions like neonatal hepatitis can cause jaundice but do not typically result in pale stools due to bile production being present; thus, these conditions would not fit the described symptom profile as accurately as biliary atresia does.