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Glossary

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  • MEN syndrome

    ... SIN-drome

    An inherited condition that may result in the development of cancers of the endocrine system. There are several types of MEN syndrome, and patients with each type may develop different types of cancer. The altered genes that cause each type can be detected with a blood test. Also called multiple endocrine neoplasia syndrome.

  • MYCN gene

    (... jeen)

    MYCN is important for cell growth. Having more than 10 copies of the gene is called MYCN amplification. Neuroblastoma with MYCN amplification is more likely to spread in the body and less likely to respond to treatment.

  • Magnetic resonance imaging

    (mag-NEH-tik REH-zuh-nunts IH-muh-jing)

    A procedure in which radio waves and a powerful magnet linked to a computer are used to create detailed pictures of areas inside the body. These pictures can show the difference between normal and diseased tissue. MRI makes better images of organs and soft tissue than other scanning techniques, such as computed tomography (CT) or x-ray. MRI is especially useful for imaging the brain, the spine, the soft tissue of joints, and the inside of bones. Also called magnetic resonance imaging, NMRI, and nuclear magnetic resonance imaging.

  • Malignant

    (muh-LIG-nunt)

    A term used to describe cancer. Malignant cells grow in an uncontrolled way and can invade nearby tissues and spread to other parts of the body through the blood and lymph system.

  • Malignant tumor

    A mass of cancer cells that may invade surrounding tissues or spread (metastasize) to distant areas of your body.

  • Malnutrition

    (mal-noo-TRIH-shun)

    A condition caused by not getting enough calories or the right amount of key nutrients, such as vitamins and minerals, that are needed for health. Malnutrition may occur when there is a lack of nutrients in the diet or when the body cannot absorb nutrients from food. Cancer and cancer treatment may cause malnutrition.

  • Mammogram

    (MA-muh-gram)

    An x-ray of the breast.

  • Manual healing

    (MAN-yoo-ul HEE-ling)

    A type of therapy in which the therapist moves or manipulates one or more parts of the patient’s body. It may be used to treat pain, stress, anxiety, and depression, and for general well-being. Examples include chiropractic treatments, physical therapy, and massage therapy. Also called manipulative and body-based practice and physical touch methods.

  • Marker

    (MAR-ker)

    A diagnostic indication that disease may develop.

  • Markers

    (MAR-kers)

    Diagnostic indications that disease may develop.