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What does CT mean?

Published in Medical Imaging 2 mins read

CT stands for Computed Tomography. It's a medical imaging technique that uses X-rays to create detailed cross-sectional pictures of the inside of your body.

Understanding Computed Tomography (CT)

A CT scan is an advanced form of X-ray technology that allows doctors to see internal organs, bones, soft tissues, and blood vessels with great clarity. The process involves the patient lying on a table that moves through a CT machine. The machine then takes X-ray images from multiple angles, which are then combined using computer processing to produce detailed images.

How a CT Scan Works:

  • X-ray Emission: The CT machine emits X-rays that pass through the body.
  • Image Capture: Sensors on the other side of the body detect the amount of X-rays that pass through.
  • Computer Processing: This information is sent to a computer, which uses complex algorithms to reconstruct the images into detailed cross-sectional slices.
  • Image Display: The resulting images can be viewed on a computer screen, printed, or stored digitally.

Practical Applications of CT Scans:

  • Diagnosis of Diseases: CT scans help diagnose a wide range of conditions, including cancer, heart disease, and infections.
  • Monitoring of Treatment: Doctors use CT scans to monitor the effectiveness of treatment plans and detect any changes in the condition.
  • Guidance for Procedures: CT scans guide surgeons during biopsies and other procedures by providing a real-time view of the area being treated.
  • Planning for Surgery: CT scans can be used to plan complex surgical procedures.

Example of CT Scan:

The reference provided mentions a Computed Tomography (CT) scan of the abdomen. This illustrates how CT scans are used to examine specific body regions, in this case, the abdomen, by creating detailed images using X-ray technology as described above. The patient lies on a table that slides through the machine, which captures multiple X-ray images.