Glossary: i

ibuprofen (I-byoo-PROH-fen)

A drug used to treat fever, swelling, pain, and redness by preventing the body from making a substance that causes inflammation. It is a type of nonsteroidal anti-inflammatory drug (NSAID). Also called Advil and Motrin.

IGRT

A procedure that uses a computer to create a picture of a tumor to help guide the radiation beam during radiation therapy. The pictures are made using CT, ultrasound, X-ray, or other imaging techniques. IGRT makes radiation therapy more accurate and causes less damage to healthy tissue. Also called image-guided radiation therapy.

IM

Within or into muscle. Also called intramuscular.

image-guided radiation therapy (IH-mij-GY-ded RAY-dee-AY-shun THAYR-uh-pee)

A procedure that uses a computer to create a picture of a tumor to help guide the radiation beam during radiation therapy. The pictures are made using CT, ultrasound, X-ray, or other imaging techniques. Image-guided radiation therapy makes radiation therapy more accurate and causes less damage to healthy tissue. Also called IGRT.

imaging (IH-muh-jing)

In medicine, a process that makes pictures of areas inside the body. Imaging uses methods such as x-rays (high-energy radiation), ultrasound (high-energy sound waves), and radio waves.

imaging test (IH-muh-jing …)

A type of test that makes pictures of areas inside the body. Some examples of imaging tests are CT scans and MRIs. Also called imaging procedure.

immunosuppression (IH-myoo-noh-suh-PREH-shun)

Suppression of the body’s immune system and its ability to fight infections and other diseases. Immunosuppression may be deliberately induced with drugs, as in preparation for bone marrow or other organ transplantation, to prevent rejection of the donor tissue. It may also result from certain diseases such as AIDS or lymphoma or from anticancer drugs.