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What is an MRI enterography or enteroclysis? Entero means small bowel and graphy means image, so enterography is taking images (or pictures) of the small bowel after drinking fluid to make the small bowel stand out on the images. Enteroclysis means a tube has been placed in the small bowel through the stomach. Whether enterography (drinking fluid) or enteroclysis (tube...
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 traumatic vascular injury to the head & neck? Traumatic vascular injuries can be either: A blunt injury to the chest, neck or head, which can result in damage to the blood vessels supplying the brain and can be caused by: forceful compression or pressure from a seat belt during a motor vehicle accident; sudden movements such as bending and extending of the neck…
What is SIRT? Selective Internal Radiation Therapy (SIRT) is a treatment for liver cancers or tumours that delivers millions of tiny radioactive microspheres or beads called SIR-Spheres® directly to the liver tumours. SIR-Spheres® are about one third the diameter of a strand of hair in size and they release a type of radiation energy called ‘Beta’ radiation.…
What is a nuclear medicine gated blood pool scan? A nuclear medicine (NM) gated blood pool scan is an imaging test which involves labelling the red blood cells in your blood with a radiopharmaceutical and then measuring the amount of blood in the heart during different parts of the heart beat. The images are acquired on a gamma camera. The filling and emptying of the heart…
What is an MRI scan of the rectum? Magnetic resonance imaging (MRI) uses a very strong magnet, and radio waves, to make detailed pictures of organs inside your body. MRI is considered to give the best (clearest) images or pictures of the tissues around the rectum, for identifying the extent of any disease. It makes very accurate pictures of diseases involving the rectum,…
What is an inferior vena cava filter? Inferior vena cava filters (IVCF) are mechanical devices that are designed to stop blood clots moving from the legs or pelvis into the heart or lungs. Small clots do not usually result in any problems. Larger blood clots travelling to the lung can cause chest pain, difficulty breathing, heart attack and long term breathing and heart…
What is a cerebral perfusion study? A cerebral perfusion study is a nuclear medicine scan that looks at brain function by demonstrating the amount of blood taken up by the brain cells. Other tests such as computed tomography (CT) and magnetic resonance imaging (MRI) show what the skull, brain and blood vessels look like but a nuclear medicine cerebral perfusion study can…
What is an intracranial (brain) aneurysm? An intracranial (brain) aneurysm is an abnormal ballooning of the wall of an artery, which is a type of blood vessel carrying blood to the brain. The aneurysm is like a small sac and is localised, meaning it is limited to a small area, within the artery. In the brain, these vessels carry blood to the brain at high pressure compared to…
What is embolisation of head, neck and spinal tumours? Head, neck and spinal tumours (or growths) can occur on the coverings of the brain called meninges as well as anywhere in the head or neck region. These tumours can also occur in the back bone (spinal column). Structures inside the spinal column such as nerves can also give rise to tumours. Often these tumours contain…
What is a vertebroplasty? Vertebroplasty is a medical term which refers to the injection of a plastic cement, called polymethylmethacrylate (PMMA), into a vertebral body or small bones that make up the spinal column. Vertebrae in the spine are typically thick bone enclosing a hole for the spinal cord. They can become damaged through becoming weak with osteoporosis,…
What is a Spinal Cord Embolisation (AVM/DAVF)? The spinal cord is an extension of the brain that is situated inside the spinal column (or backbone), which connects the nerves from the brain to the rest of the body. This enables the brain to control movements of limbs and internal organs, such as the urinary bladder or bowel, and also to receive sensory information such as…
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 SAH Vasospasm Endovascular Treatment? Subarachnoid haemorrhage (SAH) is the release of blood into the space around the brain that contains fluid. It is within this space that the main arteries supplying blood to the brain are located before they enter the brain. SAH usually comes from a ruptured (burst) aneurysm on an artery. An aneurysm is a fluid-filled sac in…
What is a whole body MIBI myeloma scan? A whole body MIBI myeloma scan is a nuclear medicine scan which involves the injection of a radioactive material or radioactive tracer called technetium-99m-Sestamibi, or MIBI for short. MIBI is injected into a vein, usually on the front of your arm near the level of your elbow or on the back of your hand, and is taken up by any myeloma…
What is a pleural aspiration? A pleural aspiration is a procedure where a small needle or tube is inserted into the space between the lung and chest wall to remove fluid that has accumulated around the lung. This space is called the pleural space. Pleural aspiration is usually carried out to determine why there is fluid around the lung (diagnostic procedure) or to improve…
What is an ascitic tap? An ascitic tap is a medical procedure where a needle is used to drain fluid that is trapped in an internal body cavity, most commonly the abdomen (belly). Fluid may have to be drained from the abdomen for different reasons, such as if the fluid is stretching the abdomen and causing pain; if the fluid is infected; or if a doctor needs to analyse the fluid…
What is an image guided liver biopsy? Image guided liver biopsy is a procedure where liver cells are obtained by a needle inserted directly into the liver through the abdominal wall, in the stomach area, and examined. The reason for requesting this test is that your referring doctor seeks an assessment of the liver tissue to look for any abnormality or disease that may be…
What are vascular closure devices? A vascular closure device is usually a piece of collagen (a fibrous protein found in skin, bone and connective tissue), metallic clip or suture (stitch) designed to provide immediate sealing of the small puncture made in an artery after an angiogram. Angiography is the imaging of blood vessels that appear on live X-ray images or pictures.…
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