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CHORUS

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Liver and biliary system

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common bile duct


  • by cholangiography (xray): mid-CBD, 2-3 cm above ampulla
    • normal: 3-9 mm
    • abnormal: 10 mm

  • by ultrasound: CBD or CHD, anterior to portal vein
    • normal: 3-6 mm (10 mm if post-surgical)
    • abnormal: 7 mm


Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

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Copyright © 2013, Charles E. Kahn, Jr.