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A CT-scan is a non-invasive and quick imaging technique that combines X-ray images taken from different angles. The images are processed by a computer to create two-dimensional images.

Useful for cancer diagnosis, CT scans can also be used for guiding a biopsy or for radiation therapy.


Usually, no preparation is required; A blood test may be required before the appointment; The patient lies on a table for the entire examination. This table slides into a ring. A contrast product, dye, based on iodine may or may not be administered to the patient during the examination; The examination lasts a few minutes.


The examination exposes the patient to low doses of ionizing radiation, and the potential long-term risks are considered very low.

Risk of allergic reaction to the contrast product used.

Tomodensitometry is used in pregnant women and children with caution.