Results 121 to 130 of about 4,830 (200)

Bringing portal dosimetry for radiotherapy into the clinic

open access: yes, 2017
Hoje em dia, o cancro é um dos maiores problemas a nível de saúde pública por todo o mundo. A radioterapia tem assumido uma importância cada vez maior, no que concerne a tratamentos do foro oncológico. O objetivo principal da radioterapia prende-se com irradiar o tecido do tumor com uma elevada dose, poupando o tecido normal e saudável circundante o ...
openaire   +1 more source

Transmission dosimetry with a scanning liquid filled electronic portal imaging device for megavoltage photo beams [PDF]

open access: yes, 1997
An important question with respect to radiation therapy is to what degree of accuracy, dose delivery can be achieved in clinical practice. It is well understood that accurate delivery of a specific radiation dose to a target volume is critical to the ...
Parsaei, Homayoon
core  

Epid dosimetry [PDF]

open access: yes
Electronic portal imaging devices (EPIDs) were introduced originally for patient position verification. The idea of using EPIDs for dosimetry was realised in the 1980s.
Philip Vial (5755271)   +1 more
core  

Two-dimensional exit dosimetry using a liquid-filled electronic portal imaging device and a convolution model. [PDF]

open access: yes, 1997
BACKGROUND AND PURPOSE: To determine the accuracy of two-dimensional exit dose measurements with an electronic portal imaging device, EPID, using a convolution model for a variety of clinically relevant situations.
Boellaard, R   +4 more
core  

Assessing the feasibility of single target radiosurgery quality assurance with portal dosimetry. [PDF]

open access: yesJ Appl Clin Med Phys, 2019
Covington EL   +4 more
europepmc   +1 more source

Impact of off-center diagonal profile depth pairing on gamma pass rates in portal dosimetry. [PDF]

open access: yesJ Radiat Res
Suzuki Y   +6 more
europepmc   +1 more source

Investigation of a Novel Decision Support Metric for Head and Neck Adaptive Radiation Therapy Using a Real-Time In Vivo Portal Dosimetry System. [PDF]

open access: yesTechnol Cancer Res Treat, 2019
Lim SB   +9 more
europepmc   +1 more source

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