NCCN Guidelines for Patients® | Diffuse Large B-cell Lymphoma
57 NCCN Guidelines for Patients ® : Diffuse Large B-cell Lymphoma, 2017 Dictionary 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. observation A period of testing for cancer growth. pathologist A doctor who’s an expert in testing cells to find disease. performance status A rating of one’s ability to do daily activities. physical exam A review of the body by a health expert for signs of disease. positron emission tomography (PET) A test that uses radioactive material to see the shape and function of body parts. positron emission tomography/computed tomography (PET/CT) A test that uses radioactive material and x-rays to view the shape and function of organs and tissues. proton therapy Radiation therapy that uses protons to treat a disease. Also called hadron therapy. radiation therapy The use of radiation to treat cancer. regional anesthesia A type of drug used for short-term loss of feeling or awareness in a part of the body without loss of wakefulness. sedative A drug that helps a person to relax or go to sleep. side effect An unplanned physical or emotional response to treatment. spleen An organ to the left of the stomach that helps protect the body from disease. steroid A drug used to reduce redness, swelling, and pain, but also to kill cancer cells. supportive care Treatment for the symptoms or health conditions caused by cancer or cancer treatment. targeted therapy Drugs that stop the growth process that is specific to cancer cells. T-cell One of three types of a white blood cell called a lymphocyte. three-dimensional conformal radiation therapy (3D-CRT) Radiation therapy that uses beams that match the shape of the tumor. thymus A gland located behind the breastbone. tonsil A group of tissue within the throat that contains many white blood cells called lymphocytes and fights germs that enter the mouth and nose. triple-hit lymphoma The presence of a MYC , BCL2 , and BCL6 gene rearrangement.