F-factor (conversion factor)
F-factor (conversion factor)
The F-factor or conversion factor is a term used in radiology and radiation therapy to convert the amount of radiation absorbed by a patient into a dose that can be measured. The F-factor is typically expressed in units of gray per coulomb (Gy/C).
Pronunciation
F-factor: /ˈɛf ˌfæk.tər/
Etymology
The term "F-factor" is derived from the phrase "conversion Factor". The use of the term in the context of radiology and radiation therapy began in the mid-20th century.
Related Terms
- Absorbed dose: The amount of radiation absorbed by an object or person.
- Radiation: The emission of energy as electromagnetic waves or as moving subatomic particles.
- Radiation therapy: The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors.
- Radiology: The science dealing with X-rays and other high-energy radiation, especially the use of such radiation for the diagnosis and treatment of disease.
Usage
In radiology and radiation therapy, the F-factor is used to calculate the absorbed dose of radiation. This is done by multiplying the amount of radiation absorbed by the F-factor. The resulting value is the dose of radiation that can be measured and used for treatment planning and dose monitoring.
See Also
External links
- Medical encyclopedia article on F-factor (conversion factor)
- Wikipedia's article - F-factor (conversion factor)
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