2018
DOI: 10.1002/acm2.12341
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Study of the relationships between brachytherapy plan parameters in an attempt to verify total dwell time in vaginal cylinder applications

Abstract: PurposeSource strength (Sk), sizes of vaginal cylinder applicators (VCA), number of dwell positions (DPs), and the prescribed dose (D) are basic parameters in brachytherapy (BT) treatment planning contributing to total dwell time (TDT). This study was aimed at assessing the relationships between the specified variables in an attempt to verify the TDT in high‐dose‐rate (HDR) vaginal cylinder applications.MethodsOne hundred and twenty‐one patients treated with Gynesource‐Co60 (Bebig, Germany) using VCAs of diame… Show more

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“…59 (Nath et al 1997, Kubo et al 1998) recommend a thorough review of the entire treatment plan, including source dwell positions and times, before a patient treatment. In accordance with the guidelines, some studies have been attempted to verify the total dwell time in HDR vaginal cylinder applications via assessing the relationships between the specific variables, including the Airkerma strength, diameters of vaginal cylinder applicator, treatment length, number of dwell positions and the prescribed dose (Emmanuel et al 2018). However, it is difficult for these types of QA techniques to safeguard all types of errors in source dwell positions and times in brachytherapy because of the involvement of multiple system parameters.…”
Section: Introductionmentioning
confidence: 99%
“…59 (Nath et al 1997, Kubo et al 1998) recommend a thorough review of the entire treatment plan, including source dwell positions and times, before a patient treatment. In accordance with the guidelines, some studies have been attempted to verify the total dwell time in HDR vaginal cylinder applications via assessing the relationships between the specific variables, including the Airkerma strength, diameters of vaginal cylinder applicator, treatment length, number of dwell positions and the prescribed dose (Emmanuel et al 2018). However, it is difficult for these types of QA techniques to safeguard all types of errors in source dwell positions and times in brachytherapy because of the involvement of multiple system parameters.…”
Section: Introductionmentioning
confidence: 99%