What is triple phase contrast scan?

 

What is a three phase CT contrast scan?

    Triple phase CT contrast scan including an arterial phase, portal phase and Venus phase.

 

Why should do three phase scan?

     Triple phase scan is mostly take for liver and bileary system.

Arterial:-  15-18 sec after bolus tracking

      Recto-peritonial haemorrhage, in case of  removal of GB (gallbladder) in between liver and pancreas there is some infection spade, rupture of common hepatic artery (helium reason) may be rupture or narrowing. This are Post operative change’s, Aortic  obstruction.

Portal phase (hepatic phase) biliary track:-  35-45 sec after bolus tracking

      Portal obstruction, liver Cirrhosis, hepatic ca metastatic change’s, cholanigo CA, Hepatic cyst, differencate between hepatic leassion.

Venus phase:-  90 sec after bolus tracking

Leassions, upper abdomen thrombosis, portal obstruction, renal mass.