Biliary gas - Biliary stent

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Biliary gas - Biliary stent

  • Abdominal X-rays occasionally show gas in the biliary tree.
  • This patient has a biliary stent in situ. The gas in the biliary tree proves the stent is patent.

Biliary gas - Post ERCP

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Biliary gas - Post ERCP

  • This patient had a history of previous ERCP (Endoscopic Retrograde Cholangio-Pancreatography) with a sphincterotomy for removal of gallstones.
  • Gas in the biliary tree is often seen following this procedure.