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What is angiography? Angiography is the X-ray imaging of blood vessels using contrast agents injected into the bloodstream through a thin plastic tube (catheter) that is placed directly in the blood vessel. The images taken are called angiograms. Angiography provides information about blood vessel abnormalities, such as narrowing, blockage, inflammation, abnormal widening and bleeding, using a liquid contrast agent (known...
Interventional radiology is a medical specialisation that involves performing a range of imaging procedures to obtain images of the inside of the body. The interventional radiologist carefully interprets these images to diagnose injury and disease, and to perform a range of interventional medical procedures. Interventional radiologist use imaging techniques…
Health consumers informationWhat is a joint injection? A common cause of a painful joint is synovitis (inflammation of the lining of the joint). It can be useful to inject corticosteroid and/or local anaesthetic medication directly into the joint or the soft tissue next to a joint (this is often called a bursa) to reduce the inflammation and provide pain relief. Reduction in pain may make physical therapy…
What is contrast medium? Contrast media (sometimes called contrast agents or dye) are chemical substances used in medical X-ray, magnetic resonance imaging (MRI), computed tomography (CT), angiography, and occasionally ultrasound imaging. Contrast media enhance and improve the quality of images (or pictures), so that the radiologist (a specialist doctor trained…
What is an octreotide scan? Nuclear medicine uses radioactive materials to diagnose or treat diseases. An octreotide scan is one that uses radioactive material to detect certain types of cancers arising from the neuro-endocrine systems (this means cancers that relate to the interaction between the nervous system and hormones from the endocrine system – glands that…
What is a plain radiograph/X-ray? Radiography is the imaging of body structures, or parts of the body, using X-rays. X-rays are a form of radiation (X-radiation) similar to visible light, radio waves and microwaves. X-radiation is special because it has a very high energy level that allows the X-ray beam to penetrate through the body and create an image or picture. Plain…
What is an X-ray examination? Radiography is the imaging of body structures using X-rays. X-rays are a form of radiation similar to visible light, radio waves, and microwaves. X-radiation is special because it has a very high energy level that allows the X-ray beam to penetrate through the body and create an image or picture. The image is created due to the X-ray beam being…
What is an angioplasty and stent insertion? Angioplasty and stent insertion is used to treat narrowing in an artery. Angioplasty uses a small, sausage-shaped balloon to stretch the artery open and improve blood flow. The stent is a small, metal cylinder that acts like a small scaffold to hold the artery permanently open. Angioplasty is the name of the procedure carried…
What is a dual energy CT scan? Standard computed tomography (CT) scanners use normal X-rays to make cross-sectional ‘slice-like’ pictures or images of the body. A dual energy CT scanner is fairly new technology that uses both the normal X-ray and also a second less powerful X-ray to make the images. This gives dual energy CT additional advantages over standard CT for…
What is a bursal injection? A bursa is a soft tissue space between two structures, such as bone, muscle, tendon and skin, which allows the structures to slide over one another. Soft tissue, such as muscle, fat and skin, connects and surrounds the bones and internal organs of the body. The most commonly injected bursas are around the shoulder (subacromial...
What is an arthrogram? An arthrogram is an X-ray image or picture of the inside of a joint (e.g. shoulder, knee, wrist, ankle) after a contrast medium (sometimes referred to as a contrast agent or “dye”) is injected into the joint. An arthrogram provides a clear image of the soft tissue in the joint (e.g. ligaments and cartilage) so that...
Musculoskeletal imaging is a subspecialty of diagnostic radiology which involves ordering and interpreting medical images of bones, joints and associated soft tissues and diagnosing injuries and disease. Musculoskeletal imaging radiologists use: ● X-rays/plain radiography; ● Fluoroscopy (a continuous X-ray that creates moving images of the functioning…
Health professional informationEmergency radiology is a subspecialty of diagnostic radiology. Emergency diagnostic radiologists are an integral part of a hospital’s emergency team and are directly involved in helping diagnose trauma patients. Emergency radiologists use a range of imaging techniques to diagnose: Body trauma Heart and lung (thoracic) trauma and conditions Injuries…
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RANZCR® intends by this statement to exclude liability for any such opinions, advices or information. The content of this publication is not intended as a substitute for medical advice. It is designed to support, not replace, the relationship that exists between a patient and his/her doctor. Some of the tests and procedures included in this publication may not be available at all radiology providers.
RANZCR® recommends that any specific questions regarding any procedure be discussed with a person's family doctor or medical specialist. Whilst every effort is made to ensure the accuracy of the information contained in this publication, RANZCR®, its Board, officers and employees assume no responsibility for its content, use, or interpretation. Each person should rely on their own inquires before making decisions that touch their own interests.
