PET Scan

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					PET Scan

What is a PET scan?                              Are there any side effects?                        Please bring any previous
PET stands for Positron Emission Tomography.     There are no side effects from the PET scan.       x-rays with you on the day
PET is used to help the diagnosis and            However, if you need to have a sedative you        of your examination.
management of many diseases. These include       will be sleepy and unable to drive for the
cancer, epilepsy and heart disease.              rest of the day.

Using a form of radioactive glucose (sugar),
we are able to see how the cells in your body    How long will
are functioning.                                 the procedure take?
                                                 The PET scan will take 2-3 hours.
Preparation
                                                 The radiologist / nuclear medicine physician
Please let us know if you have diabetes,         will look at the images and provide a report
because this will affect the scan. You will      to your referring doctor.
need to be given special instructions.

If your appointment is before 1:00pm you will    Results
need to fast from midnight (nothing to eat
                                                 PET scanning is a test that needs to be reviewed
and no sugary drinks from midnight). If your
                                                 in the context of your CT scan or MRI.
appointment is after 1:00pm you can have
                                                 It will not usually be possible to give you
a light sugar-free breakfast prior to 7:00am
                                                 a ‘take-with’ report.
(example: poached egg on toast, toast with
vegemite, tea/coffee with no sugar).

All patients need to drink 3-4 glasses of
water before they come in for their scan.

You may be required to have a laxative on
the day before your scan; you will be given
instructions if this is necessary.


Procedure
When you arrive in the department you
will have an intravenous line (drip) inserted
into a vein and your blood glucose level will
be assessed.

At this point you may need to have a catheter
put into your bladder to drain urine. You may
also be given something which will make you
sleepy. If so, you will need someone to drive
you home. If either of these are required, you
will be notified before your appointment.

You will then be given an injection of a
radiotracer (radioactive glucose) and asked to
rest quietly for about an hour. The PET scan
will take approximately a further one hour.




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posted:5/4/2010
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Description: PET Scan