The commonly used techniques in interventional radiology are:
1. Selective vascular cannulation technique.
2. transcatheter intra-arterial drug infusion, including intra-arterial chemotherapy and intra-arterial infusion of other drugs.
3. Percutaneous transluminal angioplasty.
4. Percutaneous endovascular catheterization with pillbox system implantation, percutaneous femoral artery catheterization with pillbox system implantation, percutaneous left subclavian artery catheterization with pillbox system implantation.
5. Percutaneous hepatic portal vein catheter cassette system implantation.
6. Percutaneous internal and external drainage, including percutaneous internal and external drainage of the hepatic biliary tract, percutaneous internal and external drainage of the renal pelvis, drainage of abscesses and cysts.
7. Internal stenting, including biliary stenting (inner tube), esophageal stenting, endovascular stenting
8. Percutaneous biopsy.
9. Percutaneous local drug injection, including intra-tumoral drug injection, percutaneous abdominal plexus block.