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[edit] Discussion

  • Pneumobilia is air in the biliary tree
  • It is most commonly seen in patients following surgery in which a biliary-enteric anastomosis has been created or a sphincterotomy (sphincter of Oddi) has been performed.
  • Nonsurgical causes of pneumobilia are uncommon and are usually indicative of serious disease.
  • Possible nonsurgical causes of pneumobilia include infection, neoplasm, biliary-enteric fistula, emphysematous cholecystitis and incompetence of the sphincter of Oddi.

[edit] Imaging Findings

  • Air in the biliary tree. Air is usually central in the liver (as opposed to portal venous gas which is peripheral).

[edit] Images

Patient #1

Patient #2

[edit] See Also

[edit] External Links

[edit] References