NCCN Guidelines for Patients
Acute Lymphoblastic Leukemia, Version 1.2017
Testing for ALL
Imaging tests take pictures of the inside of your body.
Imaging tests are not often used for ALL. However,
they may be useful to look for infections or to check
for signs that ALL has spread to the brain and spinal
Imaging tests are often easy to undergo. Before the
test, you may be asked to stop eating or drinking for
several hours. You also should remove any metal
objects that are on your body. For some imaging
tests, a contrast dye may be injected into your vein to
make the pictures clearer.
omography) takes many pictures
of a body part from different angles using x-rays.
See Figure 8
. A computer combines all the pictures
to make one clear picture. A CT scan of your head
may be needed if you have symptoms that suggest
ALL might have spread to your brain and spinal cord.
Occasionally leukemia may grow outside of the bone
marrow - most commonly in lymph nodes. A CT scan
of the head, neck, chest, abdomen, and/or pelvis can
be used to look for leukemia in these places. In some
cases, your doctor may also perform a CT to look for
CT scan machine
A CT machine is large and has a
tunnel in the middle. During the test,
you will lie on a table that moves
slowly through the tunnel.