CT Scan: Computed Tomography


Computed Tomography (CT or "CAT" Scan) scanning is a rapid, painless diagnostic examination that combines x-rays and computers. A CT scan allows the radiologist to see the location, nature, and extent of many different diseases or abnormalities inside your body. CT scanning can be used to obtain information about almost any body organ (such as the liver, pancreas, intestines, kidneys, adrenal glands, lungs, and heart), blood vessels, the abdominal cavity, bones, and the spinal cord.

Spiral CT Scan

Our center has Spiral CT scanners equipped with new software techniques and workstations i.e. Advantage Workstation 4.2 which generate data and detail quickly and accurately.

Body Imaging

CT imaging is particularly useful because it can show several types of tissue with great clarity, including organs like the liver, spleen, pancreas and kidneys, lung, bone, soft tissue and blood vessels—with great clarity. Using specialized equipment and expertise to create and interpret CT scans of the lower gastrointestinal (GI) tract, the colon and the rectum, an experienced radiologist can accurately diagnose many causes of abdominal pain such as an abscess in the abdomen, an inflamed colon or colon cancer, diverticulitis, cancers, cardiovascular disease, infectious disease, trauma and musculoskeletal disorders and appendicitis. Often, no additional diagnostic workup is necessary and treatment planning can begin immediately.

Diagnostic Use

  • Head
  • Chest
  • Pulmonary angiogram
  • Cardiac
  • Abdominal and pelvic
  • Extremities

Three-Dimensional (3D) Image Reconstruction

A volume rendering of this volume clearly shows the high density bones.
Bone reconstructed in 3D
After using a segmentation tool to remove the bone, the previously concealed vessels can now be demonstrated.
Brain vessels reconstructed in 3D after bone has been removed by segmentation

Patient Preparation

Upper/Whole Abdomen Examinations/MRCP:

It is essential to come with overnight fasting for these examinations. Investigations will take 2-3 hrs or even more to complete as oral contrast is generally given and it takes time to reach colon. We normally do not ask patient to come with full bladder as it will generally fill during the course of administration of oral contrast. However, you are required not to pass urine during this examination.

KUB and Lower Abdomen Examinations:

There is no need of fasting for these examinations but full bladder is a requirement. Further, avoid examination immediately after taking food. A gap of 2 hrs is advisable whenever contrast is to be administered.

Head examination:

Normally no preparation is required for these examinations. But in case of children and those with neurological problems, may need to be sedated/anaesthetized as good examination can not be done, if patient is moving his/her head.

Allergy to drugs and contrast media:

Though we use non-ionic contrast media which has very few reactions, however, a severe reaction is a possibility. If you are allergic to any drug or contrast media, you must tell us. This may require modification and different planning for examination.

Disclaimer: Photographs of machine and specifications are only indicative. They may not match the actual at every location.