portal venography

portal venography

 Percutaneous transhepatic portal venography, see there.
References in periodicals archive ?
The stenosis is best confirmed with direct portal venography via transhepatic puncture, where the pressure gradient across the stricture can also be measured.
Given the undefined nature of the patient's apparent cirrhosis and lack of demonstrable neoplastic liver disease by CT scan, portal venography and transjugular liver biopsy were performed to assess the potential option of transjugular intrahepatic portosystemic shunt for palliation of her refractory ascites.