NCCN Guidelines for Patients® | Multiple Myeloma - page 19

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NCCN Guidelines for Patients™: Multiple Myeloma
Version 1.2012
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Notes:
2.5 Imaging tests
MRI
An MRI (
m
agnetic
r
esonance
i
maging) scan uses radio waves and powerful
magnets to take pictures inside the body. It creates very clear pictures of bone
and may show if any bone has been damaged by the myeloma. MRI may be
given when the bone survey doesn’t show any problems.
PET scan
PET (
p
ositron
e
mission
t
omography) shows how your cells are using a simple
form of sugar. To create pictures, a sugar radiotracer first needs to be put into
your body. The radiotracer emits a small amount of energy that is detected by
the machine that takes pictures. Myeloma cells appear brighter in the pictures
because they use sugar more quickly than normal cells. PET is very good at
showing active myeloma and how far it has spread. PET is often used with CT.
PET/CT may be used when a bone survey doesn’t show any problems.
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