Clinical Procedure
 
Aliases:
Positron Emission Tomography

Topic aliases are alternate phrasings for a particular topic.


Avoid adding sugary drinks to any premeds. This will interfere with the uptake of the radioisotope glucose administered in the 45nins before the scan.

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Timing of scan in relation to the time the radioactive isotope is injected is important, so try to minimise any delays between injection and scan.
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Consider avoiding dexamethasone in patients with tumour bulk (eg lymphoma) to avoid tumour lysis-syndrome, or the development of a steroid resistant tumour.

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For brain PET scans the patient will need to be awake following injection of radiolabelled glucose to encourage brain uptake.

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