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16

NCCN Guidelines for Patients

®

Peripheral T-cell Lymphoma, Version 1.2016

2

Treatment planning

Blood tests

Blood tests

Blood tests are used to learn if cancer treatment might

be needed now. They are also used to find unknown

diseases including those related to peripheral T-cell

lymphoma. It’s important to treat all illnesses. Blood

tests for peripheral T-cell lymphoma are:

Complete blood count with differential

A CBC (

c

omplete

b

lood

c

ount) measures the number

of blood cells in a blood sample. It includes numbers

of white blood cells, red blood cells, and platelets.

Your blood counts may be low or high because of

cancer or another health problem. It is an essential

test that gives a picture of your overall health.

There are several types of white blood cells. A

differential counts the number of each type. It also

checks if the counts are in balance with each other.

Your doctor can learn the cause of an abnormal white

blood count from this test.

Comprehensive metabolic panel

Chemicals in your blood come from your liver, bone,

and other organs. A comprehensive metabolic panel

often includes tests for up to 14 chemicals. The tests

show if the level of chemicals is too low or high.

Abnormal levels can be caused by cancer or other

health problems.

Lactate dehydrogenase

Lactate dehydrogenase is a protein that is in most

cells. It gets into your blood when a cell is damaged.

Thus, a high level of lactate dehydrogenase is a sign

of cell damage. High levels can be caused by cancer

or other health problems. If related to cancer, high

levels may be a sign that the cancer is widespread.

Uric acid

Some people with peripheral T-cell lymphoma are at

risk for

t

umor

l

ysis

s

yndrome (TLS, for short). This

syndrome can be life threatening. It occurs when the

waste released by dead cells is not quickly cleared

out of your body. This results in kidney damage and

severe blood electrolyte disturbances.

Tumor lysis syndrome can occur among people with

peripheral T-cell lymphoma who are undergoing

strong cancer treatments. The cancer treatment kills

many cancer cells and results in too much waste too

quickly.

Your doctors may want to know your uric acid level

before starting treatment. You may be given certain

medications that can help prevent tumor lysis

syndrome. Also, drinking plenty of water throughout

chemotherapy can help. Ask your treatment team for

more information.

HIV testing

If you have HIV, treating it is an important part of

treating peripheral T-cell lymphoma. HIV treatment

will improve how well cancer treatment works. Thus,

tell your treatment team if you have HIV and about

your treatment. Ask your treatment team if you have

not been tested.