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A substance found in most tissues in the body, and in many foods. It can also be made in the laboratory. It is used by the body to produce energy for cells, and as an antioxidant. It is being studied in the treatment of cancer and in the relief of side effects caused by some cancer treatments. Also called coenzyme Q10, Q10, CoQ10, and vitamin Q10. |
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An anticancer drug that belongs to the family of drugs called staurosporine analogs. |
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A substance that is being studied as a treatment for cancer. It is an enzyme produced by the liver and intestine. |
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The formation of a break on the skin or on the surface
of an organ. An ulcer forms when the surface cells die and are cast off.
Ulcers may be associated with cancer and other diseases. |
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Chronic inflammation of the colon that produces ulcers in its lining. This condition is marked by abdominal pain, cramps, and loose discharges of pus, blood, and mucus from the bowel. |
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A computer picture of areas inside the body created by bouncing high-energy sound waves (ultrasound) off internal tissues or organs. Also called a sonogram. |
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(UL-tra-son-OG-ra-fee)
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A procedure in which high-energy sound waves (ultrasound) are bounced off internal tissues or organs and make echoes. The echo patterns are shown on the screen of an ultrasound machine, forming a picture of body tissues called a sonogram. Also called ultrasound. |
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A procedure in which high-energy sound waves (ultrasound) are bounced off internal tissues or organs and make echoes. The echo patterns are shown on the screen of an ultrasound machine, forming a picture of body tissues called a sonogram. Also called ultrasonography. |
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A form of therapy being studied as an anticancer treatment. Intensified ultrasound energy can be directed at cancer cells to heat them and kill them. |
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A device that produces sound waves that bounce off body
tissues and make echoes. The transducer also receives the echoes and sends them to a computer
that uses them to create a picture called a sonogram. Transducers (also called probes) come in
different shapes and sizes for use in making pictures of different parts of the body. The
transducer may be passed over the surface of the body or inserted into an opening such
as the rectum or vagina.
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(BY-op-see)
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A biopsy procedure that uses an ultrasound imaging device to find an abnormal area of tissue and guide its removal for examination under a microscope. |
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(ul-tra-VYE-o-let ray-dee-AY-shun)
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UV radiation. Invisible rays that are part of the energy that comes from the sun. UV radiation also comes from sun lamps and tanning beds. UV radiation can damage the skin and cause melanoma and other types of skin cancer. UV radiation that reaches the Earth's surface is made up of two types of rays, called UVA and UVB rays. UVB rays are more likely than UVA rays to cause sunburn, but UVA rays pass deeper into the skin. Scientists have long thought that UVB radiation can cause melanoma and other types of skin cancer. They now think that UVA radiation also may add to skin damage that can lead to skin cancer and cause premature aging. For this reason, skin specialists recommend that people use sunscreens that reflect, absorb, or scatter both kinds of UV radiation. |
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A form of radiation used in the treatment of cancer. |
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Blood from the umbilical cord of a newborn baby. This blood contains high concentrations of stem cells (cells from which all blood cells develop). |
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The injection of umbilical cord blood to restore an individual's own blood production system suppressed by anticancer drugs, radiation therapy, or both. It is being studied in the treatment of cancer and severe blood disorders such as aplastic anemia. Cord blood contains high concentrations of stem cells needed to produce new blood cells. |
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A clinical study that lacks a comparison (i.e., a control) group. |
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Approaches that use substances or methods of treating cancer that have not been shown to be effective by accepted scientific methods, such as carefully designed clinical trials. |
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A condition in which one or both testicles fail to move from the abdomen, where they develop before birth, into the scrotum. Undescended testicles may increase the risk for development of testicular cancer. Also called cryptorchidism. |
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A term used to describe cells or tissues that do not have specialized ("mature") structures or functions. Undifferentiated cancer cells often grow and spread quickly. |
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Having to do with one side of the body. |
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Surgery to remove the ovary and fallopian tube on one side of the body. |
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Unable to be removed with surgery. |
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Cancer that has spread to the tissues around the gallbladder (such as the liver, stomach, pancreas, intestine, or lymph nodes in the area) and cannot be surgically removed. |
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Radiation therapy given by injecting a radioactive substance into the bloodstream or a body cavity, or by swallowing it. This substance is not sealed in a container. |
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A series of x-rays of the upper digestive (gastrointestinal, or GI) system that are taken after a person drinks a barium solution, which outlines the digestive organs on the x-rays. |
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(YOU-rah-kus)
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A fibrous cord that connects the urinary bladder to the umbilicus (navel). The urachus is formed as the allantoic stalk during fetal development and lasts through life. Also called the median umbilical ligament. |
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An anticancer drug that belongs to the family of drugs called alkylating agents. |
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A chemical in the blood produced by the breakdown of protein. Urea nitrogen is removed from the blood by the kidneys. Blood urea nitrogen (BUN) tests are sometimes done to see how well the kidneys are working. |
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(yoo-REE-ter)
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The tube that carries urine from the kidney to the bladder. |
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Surgery to remove a kidney and its ureter. Also called nephroureterectomy. |
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An examination of the inside of the kidney and ureter. A thin, lighted tube (called a ureteroscope) is passed through the urethra into the bladder, ureter, and renal pelvis (part of the kidney that collects, holds, and drains urine). |
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(yoo-REE-thra)
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The tube through which urine leaves the body. It empties urine from the bladder. |
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(YOOR-in-AL-ih-siss)
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A test that determines the content of the urine. |
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(YOOR-in-air-ee)
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Having to do with urine or the organs of the body that produce and get rid of urine. |
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(YOOR-in-air-ee in-KAHN-tih-nens)
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Inability to hold urine in the bladder. |
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(YOOR-in-air-ee)
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The organs of the body that produce and discharge urine. These include the kidneys, ureters, bladder, and urethra. |
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(YOOR-in)
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Fluid containing water and waste products. Urine is made by the kidneys, stored in the bladder, and leaves the body through the urethra. |
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(YOOR-in si-TOL-uh-jee)
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Tests performed on cells in urine to detect disease. |
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A drug that dissolves blood clots or prevents them from forming. |
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(yoor-uh-LAHJ-ik on-KOL-o-jist)
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A doctor who specializes in treating cancers of the urinary system. |
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(yoo-RAHL-o-jist)
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A doctor who specializes in diseases of the urinary organs in females and the urinary and sex organs in males. |
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(yoo-RAHS-toe-mee)
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An operation to create an opening from inside the body to the outside, making a new way to pass urine. |
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The lining of the ureters, bladder, and urethra.
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(ur-so-DYE-ole)
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A drug that is used to dissolve gallstones in people who can’t have surgery to remove them. It is also being studied in the prevention of colorectal cancer. Ursodiol belongs to the family of drugs called anticholelithics. |
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(YOO-ter-us)
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The small, hollow, pear-shaped organ in a woman's pelvis. This is the organ in which a fetus develops. Also called the womb. |
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Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun. UV radiation also comes from sun lamps and tanning beds. UV radiation can damage the skin and cause melanoma and other types of skin cancer. UV radiation that reaches the Earth's surface is made up of two types of rays, called UVA and UVB rays. UVB rays are more likely than UVA rays to cause sunburn, but UVA rays pass deeper into the skin. Scientists have long thought that UVB radiation can cause melanoma and other types of skin cancer. They now think that UVA radiation also may add to skin damage that can lead to skin cancer and cause premature aging. For this reason, skin specialists recommend that people use sunscreens that reflect, absorb, or scatter both kinds of UV radiation. |
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A type of ultraviolet (UV) radiation. UV rays are invisible rays that are part of the energy that comes from the sun. UVA radiation also comes from sun lamps and tanning beds. Scientists think that UVA radiation may cause skin damage that can lead to skin cancer and premature aging. For this reason, skin specialists recommend that people use sunscreens that reflect, absorb, or scatter ultraviolet radiation.
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A type of ultraviolet (UV) radiation. UV rays are invisible rays that are part of the energy that comes from the sun. UVB radiation causes sunburn, and scientists have long thought that it can cause melanoma and other types of skin cancer. Skin specialists recommend that people use sunscreens that reflect, absorb, or scatter ultraviolet radiation. |
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The soft flap of tissue that hangs down at the back of the mouth (at the edge of the soft palate). Also called palatine uvula. |
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