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pro vyhledávání: '"Timothy W. Holmes"'
Publikováno v:
Journal of Applied Clinical Medical Physics
A method to convert integrated electronic portal imaging device (EPID) images to fluence for the purpose of reconstructing the dose to a phantom is investigated here for simple open fields. Ultimately, the goal is to develop a method to reconstruct t
Publikováno v:
Medical dosimetry : official journal of the American Association of Medical Dosimetrists. 33(2)
The highly integrated adaptive radiation therapy (HI-ART II) helical tomotherapy unit is a new radiotherapy machine designed to achieve highly precise and accurate treatments at all body sites. The precision and accuracy of the HI-ART II is similar t
Publikováno v:
International journal of radiation oncology, biology, physics. 69(1)
Purpose Intensity-modulated arc therapy (IMAT) is an arc-based approach to intensity-modulated radiotherapy (IMRT) that can be delivered on a conventional linear accelerator using a conventional multileaf collimator. In a previous work, we demonstrat
Publikováno v:
Brachytherapy. 5:104
Autor:
Timothy W. Holmes, Edwin C. McCullough
Publikováno v:
Medical Physics. 12:237-242
The availability of computerized radiation therapy treatment planning systems that utilize computed tomography (CT) scan data requires testing additional to that routinely needed for non-CT systems. These additional items include dimensioning verific
Autor:
Timothy W. Holmes, Edwin C. McCullough
Publikováno v:
Medical Physics. 10:698-700
Scanning film densitometry routinely used for obtaining dosimetric information about therapy treatment beams is subject to several sources of inaccuracies. The most significant of these are described and appropriate methods of testing are presented.