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Magnetic resonance cholangiography--feasibility and application in the paediatric population
1Department of Diagnostic Radiology and Organ Imaging, The Chinese University of Hong Kong, Prince of Wales Hospital, Ngan Shing Street, Shatin, Hong Kong.
Insights
Magnetic resonance cholangiography (MRC) is feasible in children, particularly older ones with suspected biliary disease. However, its utility in diagnosing biliary atresia in young infants with jaundice is limited due to current resolution constraints.
Area of Science:
- Pediatric Radiology
- Medical Imaging
- Gastroenterology
Background:
- Magnetic resonance cholangiography (MRC) is an advanced imaging technique.
- Assessing the feasibility of MRC in pediatric patients is crucial for diagnostic advancements.
Purpose of the Study:
- To evaluate the feasibility and diagnostic utility of magnetic resonance cholangiography (MRC) in pediatric patients.
- To determine the effectiveness of MRC across different pediatric age groups and clinical indications.
Main Methods:
- MRC was performed on 41 children aged 1 week to 14 years.
- Patients were categorized into three groups: controls, infants with jaundice, and older children with suspected biliary disease.
- Successful examinations were achieved in 35 children.
Main Results:
- The common bile duct was visualized in all 12 control children.
- MRC successfully demonstrated common bile duct patency in 2 out of 10 infants with jaundice.
- In older children, MRC effectively displayed choledochal cysts and confirmed diagnoses of pancreatic head cysts and Caroli's disease, but failed to show anomalous choledochopancreatic channels.
Conclusions:
- Magnetic resonance cholangiography (MRC) is applicable to the pediatric population.
- Its diagnostic value varies, being limited for biliary atresia in young infants but useful for non-invasive anatomical display of the biliary tree in older children.
- MRC shows potential for resolving complex cases identified via ultrasonography.
Objective:
To assess the feasibility of magnetic resonance cholangiography (MRC) in paediatrics.
Materials And Methods:
MRC was attempted in 41 children from 1 week to 14-years. There were three groups: (1) children studied with MRI for non-biliary problems as controls; (2) infants with jaundice; and (3) older children suspected of biliary disease. The examination was successfully performed in 35 children, which included 12 children studied for non-biliary problems, 12 infants with jaundice, and 11 older children with suspected biliary disease.
Results:
In group 1, the entire common duct was visualised in all 12 children. In group 2, successful demonstration of the common duct was achieved in two of the ten infants with subsequent confirmation of normal bile duct patency. In the last group of patients with suspected biliary disease, MRC gave good anatomical display of six choledochal cysts but failed to demonstrate the anomalous choledochopancreatic channel. It helped to confirm the diagnosis of two cases of pancreatic head cysts, and one case of Caroli's disease.
Conclusion:
MRC can be applied to the paediatric population, but its value depends on the type of problem to be evaluated. With current spatial resolution, its value in the diagnosis of biliary atresia is probably limited because it cannot reliably demonstrate the bile ducts in young infants with non-obstructive jaundice. In older children, it could provide a non-invasive anatomical display of the biliary tree and its disease. It has a potential role in addressing problematic cases encountered during ultrasonography.