This can additionally be performed as part of a percutaneous transhepatic cholangiography , then a form of interventional radiology .
The drain can be placed percutaneously through the liver , with the procedure then being called percutaneous transhepatic biliary drainage ( PTBD ) .
This can be performed as part of a percutaneous transhepatic cholangiography , then a form of interventional radiology .
The drain can be placed percutaneously through the liver , with the procedure then being called percutaneous transhepatic biliary drainage ( PTBD ) .