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Computed Tomography (CT Scanning) is a method of examining body organs using x-rays and a computer to construct a series of cross-sectional images to form 2D and 3D imaging.
CT scans can be performed on any part of the body. They can demonstrate several kinds of body tissue (lung, bone, soft tissue and blood vessels) with great clarity. Doctors who interpret the scans (Radiologists) are able to diagnose diseases such as cancer, heart and vascular disease, injuries and musculoskeletal disorders.
London Bridge Hospital has one of the most technologically advanced CT Scanners available today. With highly precise, rapid scanning capabilities the radiation exposure time is greatly reduced and patient dose is kept to a minimum. We believe that the benefits of having the scan far outweigh the risk to your health. If you have concerns, please do not hesitate to contact us. We aim to make sure that every patient is fully informed of the risks and benefits of a procedure or treatment. If you are having a complex CT procedure, we will ask you to sign a consent form. This form records your agreement to have the scan. Please ask if you have any questions about the risks and benefits of the scan
Our scanning service encompasses all types of body, orthopaedic and neurological scans as well as more specialised examinations. Additional Interventional procedures that we perform such as CT Guided Biopsies and Radiofrequency Ablation require a stay in hospital.
Common CT examinations include;
- Neurological scans (CT Brain / Sinuses).
- Vascular studies to examine blood flow including CT Coronary Angiography.
- Musculoskeletal & orthopaedic scans (spine, bones)
- Urology scans (kidneys, bladder)
- Chest, abdomen and pelvis (lungs, liver, spleen, pancreas and bowel)
Specialised examinations include:
CT Coronary Angiography (incl. coronary calcium scoring)
Calcium Scoring looks for calcification in the coronary arteries which can then be measured and scored. The CT scan images are used to accurately measure the level of calcified plaque in the walls of the coronary arteries. If calcium is detected, the result will be compared with a database of over 25.000 individuals. The results are plotted against your peers (age and gender). This will enable us to assess your relative risk.
CT Coronary Angiography offers a less invasive alternative to conventional catheter angiography and does not require a stay in hospital. With the recent advances in CT technology now available, the radiation dose of this procedure now greatly reduced.
The examination is done as an out-patient procedure and takes about 20 minutes.
Virtual (CT) Colonography
Virtual Colonography is a diagnostic technique which allows us to examine the large bowel (colon) and surrounding anatomy to detect polyps and lesions that could be signs of bowel cancer. Using data from the CT scan and specialised computer software, it is possible to produce a virtual ‘3D fly-through’ movie of the colon. Detailed information on the other organs within the abdomen and pelvis is also obtained. Special dietary preparation is required for this procedure – please contact the department for an information pack.
The procedure can be performed on an outpatient basis and is less invasive than a conventional colonoscopy.
Cervical or Lumbar Facet Joint or Nerve Root Injections
Facet Joint or Nerve Root Injections are performed to treat pain – most commonly in the neck, back and legs. The procedure involves an injection of local anaesthetic either directly into the joint or into the path of the small nerve which supplies sensation to the joint. The injection of long-acting corticosteroids at the same time can reduce inflammation and can often provide long-term relief.
Further information on all CT procedures is available from the Imaging Department.