NCCN Guidelines for Patients® | Follicular Lymphoma Grade 1-2

56 NCCN Guidelines for Patients ® : Follicular Lymphoma, Grade 1–2, 2017 Dictionary diagnose To identify a disease. differential Measurement of the different types of white blood cells present in a blood sample. echocardiogram A test that uses sound waves to make pictures of the heart. external beam radiation therapy (EBRT) Treatment with radiation that is delivered by a machine into the body. fatigue Severe tiredness despite getting enough sleep that limits one’s ability to function. fertility specialist An expert who helps men and women have babies. 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. fluoroscopy A test that uses x-rays to view body parts in real time. four-dimensional computed tomography (4D-CT) A CT scan that can show the movement of organs. gene Instructions in cells for making and controlling cells. gene rearrangement The fusion of parts from two genes that creates a new gene. general anesthesia A controlled loss of wakefulness from drugs. germinal center A short-lived structure that forms within an lymphatic organ in response to germs. 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. immunoglobulin A protein made by white blood cells that helps fight off infection. Also called an antibody. 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. immunotherapy Treatment that helps your immune system find and destroy cancer cells. 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. kinase inhibitor Cancer treatment that stops the transfer of phosphates, which blocks growth signals to cancer cells. lactate dehydrogenase A protein that helps to make energy in cells. liver An 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.