how are ct images produced?
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The term “computed tomography”, or CT, refers to a computerized x-ray imaging procedure in which a narrow beam of x-rays is aimed at a patient and quickly rotated around the body, producing signals that are processed by the machine's computer to generate cross-sectional images—or “slices”—of the body.
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Your radiologists will review and interpret your CT scan as soon as it's completed. Within 24 hours, your doctor will receive a written radiology report, as well as copies of the images for their own inspection.
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A CT or CAT scan is a shortened name for computerized tomography. A CT scan takes pictures of the inside of the body. The pictures are more detailed than a typical x-ray. During CT Enterography, pictures are taken of cross sections or slices of the abdominal structures in your body focusing on the small bowel.
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A CT scan generates high-quality, detailed images of the body. It's a more powerful and sophisticated x-ray that takes a 360-degree image of the spine, vertebrae and internal organs. You may have a contrast dye injected into your blood so the doctor can see your body structures more clearly on the CT scan.
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CT imaging involves the use of x-rays, which are a form of ionizing radiation. Exposure to ionizing radiation is known to increase the risk of cancer. Standard x-ray procedures, such as routine chest x-rays and mammography, use relatively low levels of ionizing radiation.
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X-rays. X-rays use low doses of radiation to create images of the spine, allowing doctors to take a close look at vertebrae. An X-ray can reveal changes in the size and shape of a spinal bone. For instance, an atypically short vertebra may indicate that a spine compression fracture has healed in its compressed position ...
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DSA technique as would a regular x-ray image. contrast images are taken in succession while contrast material is being injected. These images show the opacified vessels superimposed on the anatomy and are stored on the computer. the mask image is then subtracted from the contrast images pixel by pixel.
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A CT scan is a form of X-raying that involves a large X-ray machine. CT scans are sometimes called CAT scans.
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Computed tomography (CT) is an imaging tool that combines x-rays with computer technology to produce a more detailed, cross-sectional image of your body. A CT scan lets your doctor see the size, shape, and position of structures that are deep inside your body, such as organs, tissues, or tumors.
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CT scans use a combination of x-rays and computer technology to create images of your pancreas, gallbladder, and bile ducts. CT scans can show gallstones, or complications such as infection and blockage of the gallbladder or bile ducts. However, CT scans also can miss gallstones that you may have.
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Your CT pictures will be studied by a radiologist and the results will be sent to the doctor who referred you for the scan. They will discuss the results with you and any treatment you may need. If you are an outpatient please allow two weeks for the results to be sent to your referring doctor.
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CT scans expose you to radiation. A CT scan uses X-rays to create images of the brain and skull. X-rays are a form of radiation which increases the risk of cancer over your lifetime. Risks from radiation exposure add up, so it is best to avoid unnecessary radiation when possible.
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Computed tomography (CT) is an imaging procedure that uses special x-ray equipment to create detailed pictures, or scans, of areas inside the body. It is sometimes called computerized tomography or computerized axial tomography (CAT).
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Differences in CT and PET Testing CT scans provide clear images of bones and can detect abnormalities in soft tissues; PET scans provide images of biological processes within the body. Think of it as CT scans show the structures, while PET scans show how the organs and tissues within the structures work.
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A computerised tomography (CT) scan uses X-rays and a computer to create detailed images of the inside of the body. CT scans are sometimes referred to as CAT scans or computed tomography scans.
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X-Ray Scan Definition. An x-ray scan, also called radiography, is a diagnostic imaging technique that produces images of bones, providing clear detail of the bony structure.
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The CT scanner is the machine that takes special X-ray films. The CT scanner uses focused X-ray beams that are shot through your body. A certain pattern is created when these X-rays strike a special detector. A computer connected to this detector creates images based upon this pattern.