Biliary dilatation

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Biliary dilatation can be useful in differentialting between obstructive and non-obstructive jaundice.


The upper limit of normal for an adult CBD is 7mm.


Differential Diagnosis for Biliary Dilatation

  • Impacted gallstone
  • Benign stricture
  • Pancreatic carcinoma
  • Cholangitis
  • Biliary surgery
  • Chronic pancreatitis