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73

NCCN Guidelines for Patients

®

Peripheral T-cell Lymphoma, Version 1.2016

Glossary

Dictionary

flow cytometry

A test that looks at certain substances on the surface of cells

to identify the type of cells present.

fluorescence in situ hybridization (FISH)

A lab test that uses special dyes to look for abnormal

chromosomes.

four-dimensional computed tomography (4D-CT)

A CT scan that can show the movement of organs.

gastrointestinal (GI) tract

The group of organs through which food passes after being

eaten.

gene

Instructions in cells for making and controlling cells.

gene rearrangment

The fusion of parts from two genes that creates a new gene.

general anesthesia

A controlled loss of wakefulness from drugs.

human leukocyte antigen (HLA) typing

A blood test that finds a person’s unique set of proteins on

cells.

image-guided radiation therapy (IGRT)

Radiation therapy that uses imaging tests during treatment to

better target the tumor.

imaging test

A test that makes pictures (images) of the inside of the body.

immune system

The body’s natural defense against infection.

immunohistochemistry (IHC)

A test of cancer cells to find specific cell traits involved in

abnormal cell growth.

immunomodulator

A type of drug that modifies some parts of the body’s

disease-fighting system.

intensity-modulated radiation therapy (IMRT)

Radiation therapy that uses small beams of different

strengths based on the thickness of the tissue.

involved-site radiation therapy (ISRT)

Treatment with high-energy rays (radiation) that is delivered

to lymph nodes and nearby sites with cancer.

karyotype

A test that uses a microscope to examine a cell’s

chromosomes.

lactate dehydrogenase

A protein that helps to make energy in cells.

liver

Organ that removes waste from the blood and helps to digest

food.

local anesthesia

A controlled loss of feeling in a small area of the body

caused by drugs.

lymph

A clear fluid containing white blood cells.

lymph node

Small groups of special disease-fighting cells located

throughout the body.

lymph vessel

Tube-shaped ducts that carry lymph throughout the body.

lymphatic system

Network in the body that collects and transports a fluid

(lymph) and fights germs.

lymphocyte

A type of white blood cell that helps protect the body from

illness.

lymphoma

Cancer that begins in white blood cells called lymphocytes

that are within the lymphatic system.

magnetic resonance imaging (MRI)

A test that uses a magnetic field and radio waves to make

pictures of the insides of the body.

medical history

All health events and medications taken to date.

monoclonal antibody

Man-made antibodies that attach proteins on cancer cells.

multi-gated acquisition (MUGA) scan

A test of the heart that uses radiation to make pictures.

natural killer (NK) cell

One of three types of a white blood cell called a lymphocyte.