![]() ![]() The radiographer will help you into the correct position for the first scan. We may give you a muscle relaxant through the cannula to reduce any discomfort. Additional gas is then introduced when necessary to keep your bowel inflated. Some carbon dioxide gas will pass through the tube to gently inflate your large bowel. Someone will help you onto the scanner table and ask you to roll onto your side.Ī thin flexible tube will gently be inserted into your bottom. We may put a small cannula (needle) into a vein in your arm. They will explain the process and ask you to change into a hospital gown. If you are diabetic, please contact the x-ray department at least 3 days before the date of your investigation as you may need different dietary instructions. Please follow the instructions you are given very carefully. We will send you a list of foods to avoid and a bowel preparation medicine before you attend for your scan. It is very important that you have a well-prepared bowel so that we can take good quality images. you were told that colonoscopy was not suitable for you.you had a colonoscopy, but we could not see the whole length of your large bowel, or.We have offered you a CTC scan for one of 2 reasons. We then examine these images to check the health of your bowel. It is a method of diagnosing bowel cancer when it is still at an early stage.Ī CT machine uses x-rays and advanced computers to create detailed images. CTCĬT colonography is a computed tomography ( CT) examination to look at the large bowel (colon). Your local x-ray department will give you more detailed information. This information tells you about having a CTC scan as part of NHS bowel cancer screening. ![]()
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