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Tamoxifen (brand name Nolvadex®)
A drug used to fight breast cancer cells that have estrogen receptors.Tamoxifen blocks the estrogen receptors on breast cancer cells, causing the tumor to slow down or stop in growth. This drug belongs to the family of drugs called, selective estrogen receptor modulators, or SERM's.
Telangiectasia
A dilatation of small bloodvessels near the surface of the skin or mucous membranes. They can develop anywhere on the body, but most commonly seen on the face, eyes and legs. Most cases are of unknown cause, but they can occur in rosacea and certain systemic diseases.
Temodar® (generic name temozolomide ( tem-oh-ZOHL-oh-mide))
Is an oral chemotherapy, slowing the growth and spread of cancer cells.
Thalidomide (brand name Thalomid®)
A drug that belongs to the family of drugs called angiogenesis inhibitors. It prevents the growth of new blood vessels into a solid tumor.
Therasphere® (Yttrium 90 glass microspheres)
Therasphere is a therapeutic device that delivers radiation directly to tumors in the liver using glass beads. The tiny beads (or intrahepatic microspheres) measure one third the diameter of a human hair, and are embedded with a radioactive element called yttrium90.
Thoracentesis (Pleural tap)
Is an invasive procedure to remove fluid or air from the pleural space for diagnostic or therapeutic purposes.
Thoracic
Having to do with the chest
Thrombocytopenia
An abnormally low number of platelets (thrombocytes). If the platelet count is too low, bleeding could occur.
Thymus
An organ that is part of the lymphatic system, in which T lymphocytes grow and multiply. The thymus is in the chest behind the breastbone.
Thyroid gland
A gland located beneath the voice box (larynx) that produces thyroid hormone. The thyroid helps regulate growth and metabolism.
Total pancreatectomy
Surgery to remove the entire pancreas. Part of the stomach, part of the small intestine, the common bile duct, gallbladder, spleen, and nearby lymph nodes also are removed.
Total parenteral nutrition (TPN)
A form of nutrition that is delivered into a vein. Total parenteral nutrition does not use the digestive system. It may be given to people who are unable to absorb nutrients through the intestinal tract because of vomiting that won't stop, severe diarrhea, or intestinal disease. It may also be given to those undergoing high-dose chemotherapy or radiation and bone marrow transplantation. It is possible to give all of the protein, calories, vitamins and minerals a person needs using total parenteral nutrition.
Tracer
A substance, frequently a radioisotope, used in miniscule amounts, in imaging procedures to safely diagnose disease or to evaluate response to treatment.
Tryptophan
An essential amino acid that occurs in proteins. It is essential for growth and normal metabolism; a precursor of niacin and neurotransmitter serotonin.
Tube feeding
A type of enteral nutrition (nutrition that is delivered into the digestive system in a liquid form). For tubefeeding, a small tube may be placed through the nose into the stomach or the small intestine. Sometimes it is surgically placed into the stomach or the intestinal tract through an opening made on the outside of the abdomen, depending on how long it will be used. People who are unable to meet their needs with food and beverages alone, and who do not have vomiting or uncontrollable diarrhea may be given tubefeedings. Tubefeeding can be used to add to what a person is able to eat or can be the only source of nutrition
Tumor (neoplasm)
An abnormal mass of tissue that results when the growth of cells exceeds,and is uncoordinated with that of the normal tissues around it. Tumors can be benign (not cancerous), or malignant (cancerous). Tumors are also called neoplasm.
Tumor debulking
Surgically removing as much of the tumor as possible.
Tumor marker
A substance sometimes found in the blood, other body fluids, or tissues. A high level of tumor marker may mean that a certain type of cancer is in the body. Also called biomarker. See neuroendocrine markers.