CT Chest


The chest is most commonly imaged with a standard chest x-ray.  Often an abnormal chest x-ray will be followed by a CT to confirm or better demonstrate pathology of the lungs, mediastinum or bony thorax.

CT of the chest is useful in the following situations:

  • Detecting, diagnosing and evaluating diseases of the chest such as pneumonia, tuberculosis, emphysema, bronchiectasis, inflammation of the pleura and interstitial lung disease.
  • Tumour evaluation before and after treatment as well as the detection of metastases.
  • Evaluation of the chest and thorax following trauma.
  • CT Angiography will demonstrate the blood vessels in the chest (also see CTA).

A contrast agent injection is often necessary to evaluate vascular structures and certain organs more accurately. This is administered intravenously by the radiologist.

With the advent of MDCT (now available at all of our branches) the quality of CT and the reconstruction of 3D images have improved tremendously. The speed at which the images is acquired has also made it much easier to obtain diagnostic images on restless patients or patients who cannot hold their breath for very long.

Preparation for a CT of the chest
No specific preparation is required. Booking an appointment is advised, unless it is an emergency.

If you are receiving treatment for diabetes, please inform the radiology department in advance so that you can be given special instructions about what you should do before and after the CT. This is particularly important for patients taking Metformin.

It is essential that any woman who is or may be pregnant notify the radiology department in advance.

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