Brain Tumor : Risk Factors
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A head injury is any trauma that leads to injury of the scalp, skull, or brain. These injuries can range from a minor bump on the skull to a devastating brain injury. Head injury can be classified as either closed or penetrating. In a closed head injury, the head sustains a blunt force by striking against an object. A concussion is a type of closed head injury that involves the brain. In a penetrating head injury, an object breaks through the skull and enters the brain. (This object is usually moving at a high speed like a windshield or another part of a motor vehicle.)
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Head Trauma (Traumatic Brain Injury)Head trauma can be fatal. The effects from some types of head trauma may not appear right away.
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First Aid: Head InjuriesA strong blow to the head may cause swelling and bleeding inside the skull. The resulting pressure can injure the brain(concussion).If you have any doubts identifying a concussion, have a healthcare provider check the victi...
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Injury to the head may damage the scalp, skull or brain. The most important consequence of head trauma is traumatic brain injury.
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Hormone Replacement Therapy (HRT) is medication containing one or more female hormones, commonly estrogen plus progestin (synthetic progesterone). Some women receive estrogen-only therapy (usually women who have had their uterus removed). HRT is most often used to treat symptoms of menopause such as "hot flashes," vaginal dryness, mood swings, sleep disorders, and decreased sexual desire. This medication may be taken in the form of a pill, a patch, or vaginal cream.
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Natural hormone replacement therapy (NHRT) is the use of non-synthetic, bio-identical hormones (estrogens, progesterone, and/or testosterone), derived from plants), to treat hormone imbalances and deficiencies. The first oral contraceptive pill was originally derived from Dioscorea species, wild yam; later soy was used as the precursor for oral contraceptive hormones.
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Hormone Therapy For WomenHormone therapy (HT) increases your levels of the hormones estrogen and progesterone. This will help reduce signs of menopause.
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Hormone replacement therapy (HRT) is the use of synthetic or natural female hormones to make up for the decline or lack of natural hormones produced in a woman ' s body. HRT is sometimes referred to as estrogen replacement therapy (ERT), because the first medications that were used in the 1960s for female hormone replacement were estrogen compounds.
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Is HRT right for you? That's up to you and your healthcare provider. Your healthcare provider will review your health needs. Then he or she will suggest steps you can take to control any symptoms or health risks. HRT may be one part of your overall program.
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Li-Fraumeni syndrome (LFS) is a hereditary condition in which individuals have an increased risk for developing certain kinds of tumors. The characteristic tumors of LFS are adrenocortical carcinoma, breast cancer , brain cancer , leukemia, and sarcoma.
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Li-Fraumeni syndrome (LFS) is a hereditary condition in which individuals have an increased risk for developing certain kinds of tumors. The characteristic tumors of LFS are adrenocortical carcinoma, breast cancer , brain cancer, leukemia and sarcoma.
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Li-Fraumeni syndrome (LFS) is a genetic disorder caused by a hereditary mutation in a cancer susceptibility gene. Individuals with LFS have an increased risk for developing certain types of cancer, often at younger ages than is typically observed in the general population.
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Neurofibromatosis (NF), or von Recklinghausen disease, is a disorder which causes development of multiple soft tumors (neurofibromas). These tumors occur under the skin and throughout the nervous system (cells which control body movement and sensation).
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Von Recklinghausen ' s neurofibromatosis is also called von Recklinghausen disease or simply neurofibromatosis (NF). It is an automsomal dominant hereditary disorder.
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Neurofibromatosis (NF) is a genetic disease in which multiple soft tumors (neurofibromas) develop under the skin and throughout the nervous system. Various sized tumors may grow on the nerves in or leading away from the brain and spinal cord (peripheral nerves) and in the vascular system (veins and arteries) and other organ systems.
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Neurofibromatosis (NF), or von Recklinghausen disease, is a disorder which causes development of multiple soft tumors (neurofibromas). These tumors occur under the skin and throughout the nervous system (cells which control body movement and sensation).
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Neurofibromatosis (NF), or von Recklinghausen disease, is a genetic disease in which patients develop multiple soft tumors (neurofibromas). These tumors occur under the skin and throughout the nervous system.
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Neurofibromatosis (NF) is a genetic condition in which fleshy tumors called neurofibromas grow throughout the body. Neurofibromatosis was first written up in the medical literature in 1882 by a German physician, Dr.
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Radiotherapy is the use of high-energy penetrating radiation (x rays, gamma rays, proton rays, and neutron rays) to kill cancer cells. Purpose The primary purpose of radiotherapy is to eliminate or shrink localized cancers.
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Nonionizing radiation, in contrast to ionizing radiation, is electromagnetic radiation that does not have sufficient energy to remove electrons from an atom or molecules to form an ion (or charged particle) during a collision. Instead, it imparts energy to other particles, which typically results in heating.
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Electromagnetic waves of extremely short wavelength (X-rays and gamma rays) and accelerated atomic particles (such as electrons, protons, neutrons, and alpha particles) deposit enough localized energy in an absorbing medium to dislodge electrons from atoms with which they interact and to disrupt chemical bonds. The loss of electrons creates particles known as " ions, " and these types of radiation are termed " ionizing radiation.
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Radiation and radioisotopes are extensively used medications to allow physicians to image internal structures and processes in vivo (in the living body) with a minimum of invasion to the patient. Higher doses of radiation are also used as means to kill cancerous cells.
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The principal adverse health effects of sunlight are caused by the ultraviolet and visible radiation it contains. Ultraviolet radiation (UVR) comprises a spectrum of electromagnetic waves of different wavelengths, subdivided for convenience into three bands, which are measured in nanometers (nm):(1) UVA ( " black light " ), 315 to 400 nm; (2) UVB, 280 to 315 nm; and (3) UVC (which is germicidal), 200 to 280 nm.
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Treating Bladder Cancer: RadiationRadiation is a way of treating cancer. Radiation uses beams of energy to destroy cancer cells.
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Von Hippel-Lindau (VHL) syndrome is an inherited condition characterized by tumors that arise in multiple locations in the body. Some of these tumors cause cancer and some do not.
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Von Hippel-Lindau disease (VHL) is a rare familial cancer syndrome. A person with VHL can develop both benign and malignant tumors and cysts in many different organs in the body.
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Von Hippel-Lindau disease (VHL) is a hereditary condition that involves cancer and can affect people of all ages. It was named after the physicians to first describe aspects of the condition in the early 1900s, German ophthalmologist Eugen von Hippel and Swedish pathologist Arvid Lindau.
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Von Hippel-Lindau (VHL) syndrome is an inherited condition characterized by tumors that arise in multiple locations in the body. Some of these tumors cause cancer and some do not.
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