A CT (Computed Tomography) scan is a medical imaging scan that uses a thin set of rotating x-rays to produce a digital cross sectional image of the body. To obtain these images an x-ray tube rotates around your body whilst you lie flat down on a moving x-ray table.
A CT scanner can be used to help the doctor (radiologist) to put their needle into the correct location.
This may be to give an injection for pain relief of to take a biopsy of some tissue or bone.
Please click on the following links for more information on the different procedures.
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