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Prostate Cancer Glossary

All | # A B C D E G H I K L M N O P R S T U V W
There are currently 8 terms in this directory beginning with the letter L.
L
LHRH (Luteinizing Hormone-Releasing Hormone) Agonists
Sometimes called LHRH analogs or gonadotropin-releasing hormone (GnRH) analogs. They stop the body from making the male hormone testosterone and are sometimes used to treat prostate cancer.
LHRH (Luteinizing Hormone-Releasing Hormone) Antagonists
Also called gonadotropin-releasing hormone (GnRH) antagonists. A type of drug thought to work in a way much like the LHRH analogs, which may be able to lower testosterone levels more quickly without causing the tumor symptoms to worsen (this is called tumor flare).
Liquid Biopsy
A test done on a sample of blood to look for cancer cells from a tumor that are circulating in the blood or for pieces of DNA from tumor cells that are in the blood. A liquid biopsy may be used to help find cancer at an early stage. It may also be used to help plan treatment or to find out how well treatment is working or if cancer has come back. Being able to take multiple samples of blood over time may also help doctors understand what kind of molecular changes are taking place in a tumor.
Lobe
The sections of the prostate. There are three sections of the prostate, one central lobe and one lobe on either side of the central lobe.
Localized Cancer
Also called local cancer. A cancer that is confined to the organ where it started; that is, it has not spread to distant parts of the body.
Locally Advanced Cancer
Cancer has spread beyond the outer layer of the prostate into nearby tissues. Locally advanced prostate cancer is considered nonmetastatic.
Lymph Node
Small bean-shaped collection of immune system tissue, such as lymphocytes, found throughout the body along lymphatic vessels. They remove cell waste, germs, and other harmful substances from lymph. They help fight infections and also have a role in fighting cancer, although cancers can spread through them. Sometimes called lymph glands.
Lymph node biopsy
Lymph nodes are small bean-shaped parts of the immune system. A lymph node biopsy may be done if the doctor thinks the cancer might have spread from the prostate to nearby lymph nodes.