I have been told (after a CT scan) that I have a dilated portal vein (1.7cm) and a dilated splenic vein (.85cm). My liver function is described as normal. What can cause the dilation and should I be concerned?
The normal diameter of the portal vein is 12mm, so there is marginal dilatation. If the liver function tests are normal, you can go for a follow up at intervals to see if it is progressing. Besides liver disorders dilatation can occur if there is any distal obstruction to the venous flow.
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