Congenital intrahepatic portosystemic shunt classification

Last revised by Jeremy Jones on 20 Sep 2021

This congenital intrahepatic portosystemic shunt classification was proposed by Park et al. in 1990 1:

  • type 1: single large vessel of constant diameter connecting the right portal vein to the inferior vena cava
  • type 2: localized, peripheral shunt with one or more communications in a single hepatic segment
  • type 3: peripheral portal and hepatic veins connected through an aneurysm
  • type 4: multiple communications between the peripheral portal and hepatic veins in several segments

In addition to the above, a fifth type has been suggested 2:

See also

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