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Gundersen's Interventional Radiologists: Ezana Azene, MD, Lincoln Gundersen, MD, and Kurt Ziegelbein, MD

Interventional Radiology

Interventional radiologists are experts in the use of imaging techniques such as X-rays, ultrasound, CT and MRI to treat and diagnose disease. They treat an ever-widening range of conditions using minimally-invasive, non-surgical techniques. This involves the use of imaging to guide the placement of small instruments and tools—such as catheters and wires—into different parts of the body through tiny holes in the skin. There are no large skin incisions or extensive tissue removal during these procedures. As a result, interventional radiology procedures are usually faster, less risky and require less time in the hospital than surgical treatments.

What conditions do interventional radiologists treat and diagnose?

Women's Health

  • Painful or bleeding fibroids of the uterus (uterine fibroids)
  • Pelvic pain
  • Difficulty having children (infertility)


  • Liver tumors
  • Kidney tumors
  • Lung tumors
  • Bone tumors
  • Other tumors

Learn more

Blood Vessel and Circulation Problems

Interventional radiologists at Gundersen Health System offer many image-guided, minimally invasive procedures to help treat problems with blood vessels and blood flow (circulation) inside your body. Because no large incisions are made, most procedures are faster, less risky and require shorter hospital stays than traditional open surgery.

Our experts treat:

  • Large veins in the legs (varicose veins)
  • Leg pain and clogged arteries
  • High blood pressure
  • Blood clots and clogged veins

Learn more

Pain Control

  • Back pain
  • Cancer pain
  • Nerve pain

Other Conditions

  • Dialysis and kidney problems
  • Liver disease (cirrhosis)
  • Feeding or swallowing problems
  • Trauma, emergency and hospital care
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