Ct Scan
When CT scans are used
Source: NHS
In this topic (7)
CT scans can produce detailed images of many structures inside the body, including the internal organs, blood vessels and bones.
They can be used to:
- diagnose conditions includingdamage tobones,injuries to internal organs, problems with blood flow,strokesandcancer
- guidefurther tests or treatments for example, CT scans can help to determine the location, size and shape of a tumour before having radiotherapy, or allow a doctor totake aneedle biopsy (where a small tissue sample is removed using a needle) or drain anabscess
- monitor conditions including checking the size of tumours during and after cancer treatment
CT scanswouldn't normally be used to check for problems if you don't have any symptoms (known as screening). This is becausethe benefits of screening may not outweigh the risks, particularly if it leads tounnecessary testing andanxiety.
Articles for Ct Scan
Are CT scans safe?
CT scans are quick, painless and generally safe. However, there's a small risk you could have an allergicreaction to the contrast dye usedand you will be exposed to X-rayradiation.The amount of radiat
Before having a CT scan
Before havingthe scan,you may be given aspecial dye called a contrast to help improve the quality of the images. This may be swallowed in the form of a drink, passed into your bottom (enema), or injec
Introduction
Read about why CT scans are carried out, and find out what happens before, during and after the scan.
Preparing for a CT scan
Your appointment letter will mention anything you need to do to prepare for your scan.You may be advised to avoideating anything forseveral hours before your appointment, to help ensure that clear ima
What happens afterwards
You shouldn't experience any aftereffects from a CT scan and can usually go home soon afterwards. You can eat and drink, go to work and drive as normal.If a contrast was used, youmay be advised to wai
What happens during a CTscan
Duringthe scan, you'll usually lie on your back on a flat bed that passes into the CT scanner.The scanner consists of a ring that rotates arounda small section of your body as you pass through it. Unl
When CT scans are used
CT scans can produce detailed images of many structures inside the body, including the internal organs, blood vessels and bones.They can be used to: diagnose conditions includingdamage tobones,injurie