Table 1

Morgen and Superina[3]classification of congenital extra hepatic portosystemic shunt
Extra hepatic portosystemic shunts
Type I Absence of intrahepatic portal veins
  Type I a Superior mesenteric and splenic vein drain separately
into inferior vena cava
  Type I b Superior mesenteric vein and splenic vein form a common
Trunk before draining into the inferior vena cava
Type II Important collateral, patent intrahepatic veins

Pathak et al.

Pathak et al. BMC Pediatrics 2012 12:57   doi:10.1186/1471-2431-12-57

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