Radiation therapy
Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is therapy using ionizing radiation, generally as part of cancer treatment to control or kill malignant cells. Radiation therapy m...
Radiation therapy - Wikipedia
New Imaging Technique May Find Real Alzheimer's Culprit
PET scans that highlight the tangle-causing protein tau may better predict memory loss of Alzheimer's than older methods, researchers say.
Berkeley Lab Scientists To Help Build World’s First Total-Body PET Scanner
Scientists from the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have set out to help build the world’s first total-body positron emission tomography (PET) scanner, a me...
Penn Medicine Studies Point To Clinical Advantages Of Proton Therapy
New data from clinical trials conducted at the Robert Proton Therapy Center demonstrate the technology's potential advantages over conventional radiation, including less side effects and survival in s...
New Research Allows Doctors To Image Dangerous 'Hardening' Of The Arteries
Researchers at the University of Cambridge, in collaboration with the University of Edinburgh, have shown how a radioactive agent developed in the 1960s to detect bone cancer can be re-purposed to hi...
PET Scan May Detect CTE Sooner
In a case-control study, a specific type of PET imaging picked up a pattern of tau deposition in brain areas responsible for mood, fear, stress, and cognition -- one that was distinct from neuropathol...
History of radiation therapy
The history of radiation therapy or radiotherapy can be traced back to experiments made soon after the discovery of x-rays (1895), when it was shown that exposure to radiation produced cutaneous burns...
History of radiation therapy - Wikipedia
Radiosurgery
Radiosurgery is surgery using radiation, that is, the destruction of precisely selected areas of tissue using ionizing radiation rather than excision with a blade. Like other forms of radiation therap...
Radiosurgery - Wikipedia
Particle therapy
Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment. The most common type of particle therapy as of 2012 is prot...
New Imaging Technique May Find Real Alzheimer's Culprit
PET scans that highlight the tangle-causing protein tau may better predict memory loss of Alzheimer's than older methods, researchers say.
Dose-volume histogram
A dose-volume histogram (DVH) is a histogram relating radiation dose to tissue volume in radiation therapy planning. DVHs were introduced by Michael Goitein (who introduced radiation therapy concepts ...
Dose-volume histogram - Wikipedia
Electron therapy
Electron therapy or Electron Beam Therapy (EBT) is a kind of external beam radiotherapy where electrons are directed to a tumor site.
Electron beam therapy is performed using a medical linear acce...
Electron therapy - Wikipedia
Roentgen (unit)
The roentgen (R, also röntgen) is a legacy unit of measurement for the exposure of X-rays and gamma rays up to several MeV. It is a measure of the ionization produced in air by X-rays or gamma radiati...
Roentgen (unit) - Wikipedia
Penn Medicine Studies Point To Clinical Advantages Of Proton Therapy
New data from clinical trials conducted at the Robert Proton Therapy Center demonstrate the technology's potential advantages over conventional radiation, including less side effects and survival in s...
Penn Medicine Studies Point To Clinical Advantages Of Proton Therapy
New data from clinical trials conducted at the Robert Proton Therapy Center demonstrate the technology's potential advantages over conventional radiation, including less side effects and survival in s...
Selective internal radiation therapy
Selective internal radiation therapy (SIRT) is a form of radiation therapy used in interventional radiology to treat cancer. It is generally for selected patients with unresectable cancers, those that...
Banana equivalent dose
A banana equivalent dose (abbreviated BED) is an informal expression of ionizing radiation exposure, intended as a general educational example to indicate the potential dose due to naturally occurring...
Banana equivalent dose - Wikipedia
Radiation burn
A radiation burn is damage to the skin or other biological tissue caused by exposure to radiation. The radiation types of greatest concern are thermal radiation, radio frequency energy, ultraviolet li...
Orthovoltage X-rays
Orthovoltage X-rays are produced by X-ray generators operating at voltages in the 200–500 kV range, and therefore an energy in the 200–500 keV range (see external beam radiotherapy for an ...
Neutron generator
Neutron generators are neutron source devices which contain compact linear accelerators and that produce neutrons by fusing isotopes of hydrogen together. The fusion reactions take place in these devi...
Neutron generator - Wikipedia
Ion source
An ion source is a device that creates atomic and molecular ions. Ion sources are used to form ions for mass spectrometers, optical emission spectrometers, particle accelerators, ion implanters and io...
Ion source - Wikipedia
Margaret Cleaves
Margaret Cleaves (1848–1917), M.D., physician, was a pioneer of electrotherapy and brachytherapy, instructor in Electro-Therapeutics New York Post-Graduate Medical School, President of the Women's Med...
Monitor unit
A monitor unit (MU) is a measure of machine output from a clinical accelerator for radiation therapy such as a linear accelerator or an orthovoltage unit. Monitor units are measured by monitor chamber...
Radiation Therapy Oncology Group
"The Radiation Therapy Oncology Group (RTOG) was initially organized in 1968 under the direction of Dr. Simon Kramer as a national cooperative group for the purpose of conducting radiation therapy res...
Fluorine-18
Fluorine-18 (F) is a fluorine radioisotope which is an important source of positrons. It has a mass of 18.0009380(6) u and its half-life is 109.771(20) minutes. It decays by positron emission 97% of t...
Fluorine-18 - Wikipedia
Stereotactic radiation therapy
Stereotactic radiation therapy is a type of external radiation therapy that uses special equipment to position the patient and precisely deliver radiation to a tumor. The total dose of radiation is di...
Gray (unit)
The gray (symbol: Gy) is a derived unit of ionizing radiation dose in the International System of Units (SI). It is defined as the absorption of one joule of radiation energy by one kilogram of matt...
Gray (unit) - Wikipedia
ICAD Inc.
iCAD Inc. (NASDAQ: ICAD), headquartered in Nashua, New Hampshire, is a medical-device manufacturer. Having acquired another device-maker, Xoft, at the end of 2010, iCAD almost immediately faced a case...
Singapore Gamma Knife Centre
The Singapore Gamma Knife Centre is a medical facility specialising in gamma knife radiosurgery. Having cost ten million dollars to build, it is located in the grounds of the ParkwayHealth Day Surgery...