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   Articles with "applicator" as a keyword



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Evaluation of the dosimetric impact of manufacturing variations for the INTRABEAM x‐ray source

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recommendations! Published in 2020 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12809

Abstract: Abstract Introduction INTRABEAM x‐ray sources (XRSs) have distinct output characteristics due to subtle variations between the ideal and manufactured products. The objective of this study is to intercompare 15 XRSs and to dosimetrically quantify the… read more here.

Keywords: impact manufacturing; depth; source; applicator ... See more keywords
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A generic TG‐186 shielded applicator for commissioning model‐based dose calculation algorithms for high‐dose‐rate 192Ir brachytherapy

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recommendations! Published in 2017 at "Medical Physics"

DOI: 10.1002/mp.12459

Abstract: Purpose: A joint working group was created by the American Association of Physicists in Medicine (AAPM), the European Society for Radiotherapy and Oncology (ESTRO), and the Australasian Brachytherapy Group (ABG) with the charge, among others,… read more here.

Keywords: dose calculation; shielded applicator; source; applicator ... See more keywords
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Surface applicator of a miniature X‐ray tube for superficial electronic brachytherapy of skin cancer

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recommendations! Published in 2018 at "Medical Physics"

DOI: 10.1002/mp.12656

Abstract: PURPOSE We designed and fabricated a surface applicator of a novel carbon nanotube (CNT)-based miniature X-ray tube for the use in superficial electronic brachytherapy of skin cancer. To investigate the effectiveness of the surface applicator,… read more here.

Keywords: applicator; ray; surface applicator; electronic brachytherapy ... See more keywords
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An endoluminal cylindrical sectored‐ring ultrasound phased‐array applicator for minimally‐invasive therapeutic ultrasound

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recommendations! Published in 2022 at "Medical Physics"

DOI: 10.1002/mp.16113

Abstract: Abstract Background The size of catheter‐based ultrasound devices for delivering ultrasound energy to deep‐seated tumors is constrained by the access pathway which limits their therapeutic capabilities. Purpose To devise and investigate a deployable applicator suitable… read more here.

Keywords: applicator; phased array; cylindrical sectored; therapeutic ultrasound ... See more keywords
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Dose comparison between TG-43-based calculations and radiochromic film measurements of the Freiburg flap applicator used for high-dose-rate brachytherapy treatments of skin lesions.

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recommendations! Published in 2017 at "Brachytherapy"

DOI: 10.1016/j.brachy.2017.06.011

Abstract: PURPOSE Current high-dose-rate brachytherapy skin treatments with the Freiburg flap (FF) applicator are planned with treatment planning systems based on the American Association of Physicists in Medicine TG-43 data sets, which assume full backscatter conditions… read more here.

Keywords: high dose; applicator; radiochromic film; brachytherapy ... See more keywords
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Physics aspects of the Papillon technique-Five decades later.

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recommendations! Published in 2018 at "Brachytherapy"

DOI: 10.1016/j.brachy.2017.09.016

Abstract: PURPOSE The Papillon technique using 50-kVp soft X-rays to treat rectal adenocarcinomas was developed and clinically implemented in the 1960s. We describe differences between accurate dosimetry and clinical implementation of this technique that is extending… read more here.

Keywords: technique; plastic lid; papillon technique; applicator ... See more keywords
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Custom mold applicator high-dose-rate brachytherapy for nonmelanoma skin cancer-An analysis of 273 lesions.

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recommendations! Published in 2018 at "Brachytherapy"

DOI: 10.1016/j.brachy.2018.01.002

Abstract: PURPOSE Nonmelanoma skin cancer is the most commonly diagnosed malignancy in the United States. A modern version of surface brachytherapy, "topographic applicator brachytherapy" (TAB), can be used to treat early-stage nonmelanoma skin cancer (ES-NMSC). The… read more here.

Keywords: nonmelanoma skin; applicator; skin cancer; brachytherapy ... See more keywords
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A novel rectal applicator for contact radiotherapy with HDR 192Ir sources.

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recommendations! Published in 2018 at "Brachytherapy"

DOI: 10.1016/j.brachy.2018.07.012

Abstract: PURPOSE Dose escalation to rectal tumors leads to higher complete response rates and may thereby enable omission of surgery. Important advantages of endoluminal boosting techniques include the possibility to apply a more selective/localized boost than… read more here.

Keywords: applicator; radiotherapy; rectal applicator; applicator contact ... See more keywords
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Applicator visualization using ultrashort echo time MRI for high-dose-rate endorectal brachytherapy.

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recommendations! Published in 2020 at "Brachytherapy"

DOI: 10.1016/j.brachy.2020.06.010

Abstract: PURPOSE The individual channels in an endorectal applicator for high-dose-rate endorectal brachytherapy are not visible on standard MRI sequences. The aim of this study was to test whether an ultrashort echo time (UTE) MRI sequence… read more here.

Keywords: high dose; applicator; rate endorectal; brachytherapy ... See more keywords
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Time-resolved QA and brachytherapy applicator commissioning: Towards the clinical implementation.

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recommendations! Published in 2021 at "Brachytherapy"

DOI: 10.1016/j.brachy.2021.08.003

Abstract: PURPOSE Brachytherapy has a busy workflow relying on manual steps to ensure accurate delivery of the treatment. Systematic treatment errors have been reported due to faulty equipment, inadequate quality assurance (QA) and applicator commissioning methods.… read more here.

Keywords: dwell times; applicator; time resolved; applicator commissioning ... See more keywords
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Comparison of dose delivered to vagina using two different intracavitary brachytherapy applicators for carcinoma cervix.

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recommendations! Published in 2021 at "Brachytherapy"

DOI: 10.1016/j.brachy.2021.09.004

Abstract: PURPOSE The aim of the study was to compare the dose to vaginal points between two intracavitary applicators used for HDR brachytherapy in Carcinoma Cervix METHODS AND MATERIALS: Patients reporting to our center for Carcinoma… read more here.

Keywords: carcinoma cervix; applicator; intracavitary brachytherapy; brachytherapy ... See more keywords