A spreadsheet solution for off-axis, noncentral enhanced dynamic wedge factors
نویسندگان
چکیده
منابع مشابه
A spreadsheet solution for off‐axis, noncentral enhanced dynamic wedge factors
Enhanced dynamic wedges can be very useful in increasing radiation therapy treatment efficiency. A drawback to their use is finding a factor analogous to a conventional wedge factor to calculate the dose to a point in a dynamically wedged field. A formalism has previously been published [J. Gibbons, Med. Phys. 25, 1411-1418 (1998)] to determine this factor at the central point of a dynamically ...
متن کاملEnhanced dynamic wedge factors at off‐axis points in asymmetric fields
Several recent reports have described methods for calculating enhanced dynamic wedge factors (EDWFs). Many of these reports use the monitor-unit (MU) fraction method to predict EDWFs as a function of field size. Although simple in approach, MU fraction methods do not produce accurate EDWFs in large or asymmetric fields. A recently described technique, based on the MU fraction method works well ...
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The linear accelerator (linac) is a device that uses highfrequency electromagnetic waves to accelerate charged particles such as electrons to high energies through a linear tube. The high-energy electron beam can be used for treating superficial tumours, or it can be made to strike a target to produce x-rays for treating deep-seated tumours. In the majority of instances, the collimated beam eme...
متن کاملComparison of Beam Profiles and Wedge Factors for Physical and Enhanced Dynamic Wedge
The linear accelerator (linac) is a device that uses highfrequency electromagnetic waves to accelerate charged particles such as electrons to high energies through a linear tube. The high-energy electron beam can be used for treating superficial tumours, or it can be made to strike a target to produce x-rays for treating deep-seated tumours. In the majority of instances, the collimated beam eme...
متن کاملComparison of Beam Profiles and Wedge Factors for Physical and Enhanced Dynamic Wedge
The linear accelerator (linac) is a device that uses highfrequency electromagnetic waves to accelerate charged particles such as electrons to high energies through a linear tube. The high-energy electron beam can be used for treating superficial tumours, or it can be made to strike a target to produce x-rays for treating deep-seated tumours. In the majority of instances, the collimated beam eme...
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ژورنال
عنوان ژورنال: Journal of Applied Clinical Medical Physics
سال: 2003
ISSN: 1526-9914
DOI: 10.1120/1.1588771