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Radiology is a branch of medicine that uses imaging technology to diagnose and treat disease.

Radiology may be divided into two different areas, diagnostic radiology and interventional radiology. Doctors who specialize in radiology are called radiologists.


Diagnostic radiology helps health care professionals see structures inside your body. Doctors that specialize in the interpretation of these images are called diagnostic radiologists. Using the diagnostic images, the radiologist or other physicians can often:

  • Diagnose the cause of your symptoms
  • Monitor how well your body is responding to a treatment you are receiving for your disease or condition.
  • Screen for different illnesses, such as breast cancer, colon cancer, or heart disease.
The most common types of diagnostic radiology exams include:
  • Computed tomography (CT), also known as a computerized axial tomography (CAT) scan, including CT angiography
  • Fluoroscopy, including upper GI and barium enema
  • Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA)
  • Mammography
  • Nuclear medicine, which includes such tests as a bone scan, thyroid scan, and thallium cardiac stress test
  • Plain x-rays, which includes chest x-ray
  • Positron emission tomography, also called PET imaging, PET scan, or PET-CT when it is combined with CT
  • Ultrasound


Interventional radiologists are doctors that use imaging such as CT, ultrasound, MRI, and fluoroscopy to help guide procedures. The imaging is helpful to the doctor when inserting catheters, wires, and other small instruments and tools into your body. This typically allows for smaller incisions (cuts).

Doctors can use this technology to diagnose or treat conditions in almost any part of the body instead of needing to directly look inside of your body through a scope (camera) or with open surgery.

Interventional radiologists often are involved in treating cancers or tumors, blockages in the arteries and veins, fibroids in the uterus, back pain, liver problems, and kidney problems.

The doctor will make no incision or only a very small one. You rarely need to stay in the hospital after the procedure. Most people need only moderate sedation (medicines to help you relax).

Examples of interventional radiology procedures include:
  • Angiography or angioplasty and stent placement.
  • Embolization to control bleeding.
  • Cancer treatments including tumor embolization using chemoembolization or Y-90 radioembolization.
  • Tumor ablation with radiofrequency ablation, cryoablation, or microwave ablation.
  • Vertebroplasty and kyphoplasty.
  • Needle biopsies of different organs, such as the lungs and thyroid gland.
  • Breast biopsy, guided either by stereotactic or ultrasound techniques.
  • Uterine artery embolization.
  • Feeding tube placement.
  • Venous access catheter placement, such as ports and PICCs.

The radiology services are part of the clinical support directorate. We aim to provide an excellent diagnostic imaging service, or imaging guidance for therapeutic procedures. The ser-vice was one of the first to implement digital imaging and is 100% ‘filmless’, leading to 100% reliability in the provision of x-rays and other images to clinicians as and when they are needed.

  • Breast screening and symptomatic breast imaging
  • Computed tomography (CT) scanning
  • General ultrasound imaging
  • Interventional radiology, including angiography, biopsy, drainage
  • Obstetric and gynecological ultrasound imaging
  • Obstetric and gynecological ultrasound imaging