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CT scans
The CT (computed tomography) is a special technique that, with the help of x-rays and computer picture processing helps us gain a picture of a given body part, or the whole body, that is both detailed and rich in information.
The CT images (i.e., slices) are, principally, cross sectional images; however, data processing allows for longitudinal as well as three-dimensional (3D) reconstruction. Images of the brain, the chest and abdominal organs may be obtained, as well as the spine and other bones, more rarely, of the skeletal musculature along with images of tumorous diseases, inflammatory illnesses, injuries or bleeding that may be found in these organs. The new so-called spiral CT system uses minimal x-ray dosage. In cases where more exact imaging is required, a contrast material may be administered intravenously.
What is the examination process?
The Patient lies flat on an examination table that slowly moves through a round opening found at the center of the machine taking images of the body as it passes. The examination usually takes 5-15 min depending on the thickness of the slices and the body part examined.
Limits of the CT scan
Women should definitely let the technician know if they are pregnant, or if the possibility of pregnancy exists, since the x-rays might have a great detrimental effect on the fetus. X-rays should be avoided during pregnancy due to this danger.
The contrast materials may not be used in cases of allergy. Please let the technician know, before the examination, if you might be allergic.
