2022
DOI: 10.5114/jcb.2022.123979
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Dual-source strength seed loading for eye plaque brachytherapy using eye physics eye plaques: A feasibility study

Abstract: Purpose This study quantifies the dosimetric impact of incorporating two iodine-125 ( 125 I) seed source strengths in Eye Physics eye plaques for treatment of uveal melanoma. Material and methods Plaque Simulator was used to retrospectively plan 15 clinical cases of three types: (1) Shallow tumors (< 5.5 mm) with large base dimensions (range, 16-19 mm); (2) Tumors near the optic nerve planned with notched plaques; and (3) Very shallow (< 3.0 m… Show more

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“…In scientific literature, several authors have extensively analyzed main differences between the static and dynamic intensity modulated IRT [14][15][16]. In Table 1, it is possible to compare an example of static intensity modulated IRT for uveal melanoma using plaques with iodine-125 seeds [17,18] with dynamic IRT, either HDR or pulsed-dose-rate (PDR), by focusing on three main factors, such as space, time, and intensity, which are commonly used in the clinical practice to modulate dose distribution. Regarding intensity, a modulation in this case could be achieved by using different catheter-to-skin distances in case of dynamic intensity modulated IRT.…”
Section: Discussionmentioning
confidence: 99%
“…In scientific literature, several authors have extensively analyzed main differences between the static and dynamic intensity modulated IRT [14][15][16]. In Table 1, it is possible to compare an example of static intensity modulated IRT for uveal melanoma using plaques with iodine-125 seeds [17,18] with dynamic IRT, either HDR or pulsed-dose-rate (PDR), by focusing on three main factors, such as space, time, and intensity, which are commonly used in the clinical practice to modulate dose distribution. Regarding intensity, a modulation in this case could be achieved by using different catheter-to-skin distances in case of dynamic intensity modulated IRT.…”
Section: Discussionmentioning
confidence: 99%