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Pre-hepatic

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Portal vein occlusion is the second most common cause of portal vein hypertension in the UK. The principal causes are:

  • portal vein thrombosis - most common
  • splenic vein thrombosis - rare
  • congenital atresia or stenosis
  • extrinsic compression by lymphadenopathy - e.g. lymphoma, carcinoma

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