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Interventional Radiology

A sub-specialty of radiology, Interventional radiology - IR has contributed significantly to medical developments in recent years. Patients are diagnosed and treated using minimally invasive imaging techniques such as X-ray, MRI and ultrasound for guidance. In addition to diagnosis, new treatment options are offered by techniques in Interventional radiology (also known as Surgical Radiology)- patients are treated with lesser risk and shorter hospital stays.


The advantage of IR procedures is that they can be used in almost every organ system - be it abdomen, central nervous system, chest, heart and vascular, musculoskeletal, genito-urinary and other organs and soft tissues.


Interventional Radiologists

Patient evaluation and management are provided by Interventional radiologists, who are doctors trained in radiology and in minimally invasive procedures, skilled in interpreting X rays, ultrasounds and CT and other imaging techniques. While surgery was the only available option for a number of conditions a few years back, these days the expertise of Interventional radiologists with imaging technique enables them to guide small catheters, that are only a few millimeters in diameter and guide wires through blood vessels or other organ pathways to treat many conditions. Diseases and conditions are diagnosed and treated percutaneously with minimally invasive procedures.


Benefits and uses of Interventional radiology

This is an imaging technique using cutting-edge equipment for accurate diagnosis and treatment, a minimally invasive procedure through a small nick in the skin, minimizing the patient's discomfort and recovery time. These days, there is hardly any area in hospital medicine where IR has not impacted patient management.

These procedures require only local anesthesia, and short stays at the hospital. Sick patients who are unfit to undergo surgery can also undergo these techniques. Recovery post IR procedure is less painful than when the patient undergoes surgical procedures.

These image guided medical procedures use CT, MRI, fluoroscopy and ultrasound to view targeted areas. This makes the vessels clearly visible under imaging. A thin catheter is used to deliver the contrast material into a particular blood vessel and shows the inside of the vessel allowing the radiologist to locate blockages. Some examples of interventional radiology procedures include:



Using Interventional radiology

By minimizing the physical trauma to the patient, non-surgical interventions also reduce infection rates and recovery time and shorten hospital stays.


  • Blood vessel disease such as narrowing of arteries leading to restricted flow of blood
  • Expanded arteries at risk of rupture and bleeding
  • Bleeding or hemorrhage which is the most common vascular emergency treated by IR.
  • Blood clots in the lung
  • Dilated veins or varicose veins that most commonly occur in the legs but can occur in the pelvis and scrotum and can be treated by blocking the vein by heat treatment or using embolization techniques.
  • Tumor therapies in liver intended to shrink or destroy them in their primary site.
  • Kidney and other tumors by destructive therapies
  • Uterine fibroids which cause heavy menstrual bleeding and pain caused by benign tumors called fibroids
  • Kidney stones that can cause pain
  • Infection and blockage in the kidney and gall stones, one of the most common upper abdominal disorders.

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Collection of Pages - Last revised Date: November 22, 2019