![]() ![]() This helps to show up the gut ( digestive system ) more clearly in the scan. You usually have the contrast medium by injection and also as a drink. stop eating or drinking after midnight the night before the scan (this is for a CT scan of the inside of the large bowel, called CT colonography).drink more of the liquid contrast or water in the x-ray department.drink a liquid contrast medium some time before the scan.If you are having a CT scan of your abdomen, you might need to: The tube is left in place until after your scan, in case you have any problems after having the injection. You have the injection through a small thin tube (cannula) in your arm. This is a dye that shows up body tissues more clearly on the scan. Some CT scans need special preparation beforehand.įor most scans, you have a drink or an injection of contrast medium, or both. It also shows how close the area that needs to be treated is to major body organs. It can give a very accurate picture of where an abnormal area such as a NET is and how big it is. Why you might have a CT scanĪ CT scan is a very common cancer test. The whole appointment can take up to an hour and a half depending on which part of your body they are scanning. You usually have a CT scan in the x-ray (radiology) department as an outpatient. ![]() The computer puts them together to make a 3 dimensional (3D) image.ĬT (or CAT) stands for computed (axial) tomography. CT scan for neuroendocrine tumours (NETs)Ī CT scan can show up a neuroendocrine tumour (NET) and see whether it has spread anywhere else in your body.Ī CT scan is a test that uses x-rays and a computer to create detailed pictures of the inside of your body. ![]()
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