Purpose: Radiation treatments are trending toward delivering higher doses per fraction
under stereotactic radiosurgery and hypofractionated treatment regimens. There is a need …

Since the publication of AAPM Task Group (TG) 148 on quality assurance (QA) for helical
tomotherapy, there have been many new developments on the tomotherapy platform …

Purpose: Pretreatment verification of volumetric modulated arc therapy (VMAT) dose
delivery with electronic portal imaging device (EPID) uses images integrated over the entire …

Volumetric modulated arc therapy (VMAT) is a relatively new treatment modality for dynamic
photon radiation therapy. Pre-treatment quality assurance (QA) is necessary and many …

A dataset range of isocenter congruency verification tests have been examined from a
statistical perspective for the purpose of establishing tolerance levels that are meaningful …

EPID images acquired in cine mode during arc therapy have inaccurate gantry angles
recorded in their image headers. In this work, methods were developed to assess the …

Historically, several different electronic technologies have been utilized to replace the role of
radiographic films in capturing the images, including the scanning liquid ionization chamber …

The electronic portal imaging device (EPID) has the potential to be used for in vivo dosimetry
during radiation therapy as an additional dose delivery check. In this study we have …

A new tool with the potential to verify and track jaw position during delivery has been
developed. The method should be suitable for independent quality assurance for jaw …

A new tool has been developed to verify the trajectory of dynamic multileaf collimators
(MLCs) used in advanced radiotherapy techniques using only the information provided by …