Imaging in Pediatric Obstructive Jaundice
Rupali Jain1, Amit Gupta1, Devasenathipathy Kandasamy1
1Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India.
Insights
Diagnosing cholestatic jaundice in children requires considering various causes like biliary atresia and neonatal hepatitis. Advanced imaging techniques aid in the early detection of treatable conditions.
Area of Science:
- Pediatric Gastroenterology
- Medical Imaging
- Neonatal Medicine
Background:
- Cholestatic jaundice, marked by elevated conjugated bilirubin, presents diverse etiologies in neonates and children.
- Common causes include extrahepatic biliary atresia (EHBA), choledochal cysts, neonatal hepatitis, and cytomegalovirus (CMV).
Purpose of the Study:
- To provide an overview of obstructive jaundice in pediatric populations.
- To discuss the spectrum of causes in neonates and older children.
- To highlight the role of various imaging modalities in diagnosis.
Main Methods:
- Review of diagnostic imaging modalities: high-resolution ultrasonography, MRI, CT scan, and hepatobiliary iminodiacetic acid (HIDA) scan.
- Discussion of the advantages, disadvantages, and indications for each imaging technique.
- Overview of the differential diagnosis for pediatric cholestatic jaundice.
Main Results:
- Early diagnosis of surgically treatable conditions like EHBA is crucial.
- Modern imaging facilitates rapid diagnosis in many cases.
- A systematic approach combining clinical knowledge and imaging aids prompt treatment initiation.
Conclusions:
- Effective management of pediatric cholestatic jaundice relies on accurate and timely diagnosis.
- Advanced imaging plays a pivotal role in identifying treatable causes.
- Multidisciplinary collaboration enhances patient outcomes.
Abstract:
Cholestatic jaundice characterized by elevated conjugated bilirubin can be due to multitude of factors in neonates and childhood. Extrahepatic biliary atresia (EHBA), choledochal cyst, neonatal hepatitis, cytomegalovirus (CMV), and biliary plug are some of the common causes in neonate and early infancy. Causes in late infancy and childhood comprises viral hepatitis, choledochal cyst, cholelithiasis, worm infestation, and biliary compression secondary to extrinsic causes (node, collection, tumor). Some serious disorders like biliary atresia must be considered with the emphasis on early diagnosis of treatable causes. In the modern era, with multiple diagnostic modalities available including high-resolution ultrasonography, magnetic resonance imaging (MRI), CT scan, and nuclear imaging [hepatobiliary iminodiacetic acid (HIDA) scan], rapid diagnosis can be made in many surgically treatable cases. The authors will discuss the imaging modality available with advantages, disadvantages, and common indications of each modality, and overview of obstructive jaundice discussing the wide spectrum of causes in neonates and late childhood. Combining available knowledge with careful and meticulous search can help narrow down the diagnosis and initiate prompt treatment.
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