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A computed tomography (CT) scan, also known as a Computed Axial Tomography (CAT) scan, is a specialized x-ray procedure offered at Grundy Radiologists.
During a CT scan, multiple images are taken and compiled into complete, cross-sectional pictures (or slices) of soft tissue, bone and blood vessels. The resulting images reveal details that are typically invisible or difficult to see in a traditional x-ray. Physicians rely on CT images to properly diagnose a variety of injuries, conditions and diseases. These scans often detect abnormalities earlier than a basic x-ray, resulting in a more successful treatment period.
A CT scan is considered a safe examination. While CT imaging does use radiation, the diagnostic benefits of the procedure generally outweigh the risks of radiation exposure. Unlike an MRI exam, CT scans can even be performed if you have a pacemaker. However, pregnant women should consult their doctor before the exam. He or she may suggest an alternative form of imaging to avoid exposing the fetus to radiation.
Preparation
Most CT scans, particularly those examining the abdominal or pelvic region, use a contrast agent, or dye, to highlight the organ or tissue. This contrast agent may be taken by mouth, enema or IV (intravenous line). The contrast agent blocks x-rays, making the blood vessels appear white in resulting images to emphasize any abnormalities or issues.
Procedure
A CT scan is a painless procedure. A Grundy Radiologists technologist will help position you on the examination table where you will then be moved into the CT scanner. Once the exam begins, it should last no longer than an hour. The technologist will be with you for the duration of the exam, monitoring the entire procedure from the control room. He or she will always be able to hear and see you.
Results
Once your CT scan is complete, a radiologist will review the resulting CT images and a report will be sent to your ordering physician.
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