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The CyberKnife system is a radiation therapy device manufactured by Accuray. The system is used to deliver radiosurgery for the treatment of benign tumors , malignant tumors and other medical conditions.
The radiation dose is usually measured in grays (one gray (Gy) is the absorption of one joule of energy per kilogram of mass). A unit that attempts to take into account both the different organs that are irradiated and the type of radiation is the sievert, a unit that describes both the amount of energy deposited and the biological effectiveness.
External beam radiation therapy (EBRT) is a form of radiotherapy that utilizes a high-energy collimated beam of ionizing radiation, from a source outside the body, to target and kill cancer cells. The radiotherapy beam is composed of particles, which are focussed in a particular direction of travel using collimators. [ 1 ]
Dr. Diane Heaton, Oklahoma CyberKnife's medical director, is an expert in the treatment of trigeminal neuralgia, a neurological disorder. She appeared at the 2012 annual meeting of the CyberKnife Society to present her clinical findings from a study examining pain relief in 19 trigeminal neuralgia patients following CyberKnife treatment. [3]
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Positron emission tomography (PET) [1] is a functional imaging technique that uses radioactive substances known as radiotracers to visualize and measure changes in metabolic processes, and in other physiological activities including blood flow, regional chemical composition, and absorption.
((SL Advertiser)) Phoenix Cyberknife & Radiation Oncology Center is giving renewed hope to cancer patients. For more information, call (602) 441-3845, or go to phoenixcyberknifecenter.com
The proposal that dogs can detect cancer attracted widespread coverage in the general media. In 2015 the Huffington Post reported that studies have suggested that dogs may be able to detect lung cancer , melanoma , breast cancer and bladder cancer , and that dogs can be trained to detect cancer in 93% of cases. [ 1 ]