An overview on small-field dosimetry in photon beam radiotherapy: Developments and challenges

Small fields are more repeatedly used for radiation therapy as small segments in intensity-modulated radiotherapy or as in the form of independent fields in stereotactic radiosurgery and other novel equipment such as cyberknife and tomotherapy. Nevertheless, the application of small fields for radio...

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Bibliographic Details
Published in:Journal of cancer research and therapeutics 2017-04, Vol.13 (2), p.175-185
Main Authors: Bagheri, Hamed, Soleimani, Azadeh, Gharehaghaji, Nahideh, Mesbahi, Asghar, Manouchehri, Farhad, Shekarchi, Babak, Dormanesh, Banafsheh, Dadgar, Habib Alah
Format: Article
Language:English
Subjects:
Algorithms
Analysis
Charged particles
Dosimetry
Equilibrium
Fourier transforms
Health physics
Humans
Monte Carlo Method
Monte Carlo simulation
Neoplasms - radiotherapy
Photon beams
Photons
Physics
Planning
Radiation dosimetry
Radiation therapy
Radiotherapy
Radiotherapy - methods
Radiotherapy Dosage
Sensors
Studies
Tumors
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Summary:Small fields are more repeatedly used for radiation therapy as small segments in intensity-modulated radiotherapy or as in the form of independent fields in stereotactic radiosurgery and other novel equipment such as cyberknife and tomotherapy. Nevertheless, the application of small fields for radiotherapy of lung makes the dose calculation and planning inaccurate due to the existence of electronic disequilibrium and intrinsic deficiencies within most of the analytical dose calculation algorithms. The current review attempts to gather the information in this regard and focuses on the current progresses and retaining issues associated with this type of photon beams.
ISSN:0973-1482
1998-4138
DOI:10.4103/0973-1482.199444