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The Hands of Experience® in Advanced Health Care

Interventional Radiology

Interventional radiologists at St. Mary's treat both vascular and non-vascular diseases using minimally invasive approaches. Procedures include a wide range of medical and surgical treatments that use image guidance, which eliminates the need for large surgical incisions. These techniques may pose less risk and provide a quicker recovery for patients than traditional methods.

Services provided by the interventional radiology department at St. Mary’s include:

Stroke prevention and treatment

  • Intra-arterial thrombolysis
  • Merci clot retrieval
  • Penumbra clot extraction
  • Intracranial angioplasty and stent placement


  • Balloon kyphoplasty
  • Vertebroplasty


  • Hip steroid injections
  • Lumbar/cervical epidural injections
  • Sacroiliac joint epidural injections
  • Facet joint injections/nerve blocks

Blood vessel and peripheral services

  • Dialysis access placement and management
  • Balloon angioplasty
  • Venous angioplasty and stent placement
  • Uterine artery embolization
  • Prostate artery embolization for BPH
  • Peripheral artery angioplasty and stenting
  • Peripheral artery atherectomy
  • Embolization for tumor destruction, bleeding and aneurysm
  • Thoracic and abdominal aneurysm repair
  • Thrombolytic and thrombectomy procedures for venous and arterial thrombus
  • IVC filter insertion
  • TIPS (transjugular intrahepatic portosystemic shunt)
  • ELVS (Endovascular Laser Venous System) procedures, including stab phlebectomy for treatment of varicose veins


  • Carotid artery stenting
  • Intracranial angioplasty stent placement
  • Endovascular and intracranial aneurysm repair
  • Arterial venous malformation treatment
  • Dural arterial venous fistula repair
  • Lumbar drain placement
  • Cerebral aneurysm treatment

Interpretive services

  • Cardiac CT angiography
  • CT angiography of the brain, neck, chest, abdomen and lower extremities
  • Magnetic resonance angiography
  • MRI-guided breast biopsy
  • Soft tissue and solid organ biopsy
  • Vascular ultrasound
  • Nationally certified lab

Therapeutic oncology

  • Sirspheres
  • Microwave ablations
  • Mediport placement
  • Percutaneous nephrostomy tube placement
  • Vascular access
  • Vena cava filter placement
  • Gastrostomy tube placement
  • Radiofrequency ablation/cancer chemoembolization
  • Cryoablation
  • Y-90 Therapy
  • Assistance with radiation therapy

Urinary procedures

  • Percutaneous nephrostomy insertions
  • Ureteral stent insertions

Gastrointestinal procedures

  • Gastric tube insertion
  • Internal and external biliary stent placement
  • Cholecystostomy tube insertion

Biopsy of all major organs

Drainage procedures for abscess, pleural, ascites, etc.

Dialysis procedures

  • Tunneled and non-tunneled hemo dialysis catheter placements
  • AV fistula diagnosis and treatment

For more information, contact Interventional Radiology at (304) 526-1140.