Clinical Application Study of Semi-cylindrical Beam Spoiler for Radiation Treatment of Early-stage Glottic Cancer Patients

被引：0
|
作者：
Choi, Dong Hyeok [1 ]
Ahn, So Hyun [2 ]
Ahn, Woo Sang [3 ]
Shin, Seong Soo [3 ]
Kim, Jin Sung [2 ]
机构：
[1] Yonsei Univ, Dept Med, Seoul, South Korea
[2] Yonsei Univ, Dept Radiat Oncol, Coll Med, Seoul 03722, South Korea
[3] Univ Ulsan, Coll Med, Gangneung Asan Hosp, Dept Radiat Oncol, Kangnung 25440, South Korea
来源：
IN VIVO | 2022年 / 36卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Beam spoiler; glottic cancer; photon beam; surface dose; radiotherapy; optically stimulated luminescent dosimeter; SQUAMOUS-CELL CARCINOMA; ANTERIOR COMMISSURE; ANGULAR-DEPENDENCE; PROGNOSTIC-FACTORS; LOCAL-CONTROL; RADIOTHERAPY; HEAD; PATTERNS; POSITION; IMPACT;
D O I：
10.21873/invivo.12795
中图分类号：
R-3 [医学研究方法]; R3 [基础医学];
学科分类号：
1001 ;
摘要：
Background/Aim: The purpose of this study was to determine whether a semi-cylindrical beam spoiler (sCBS) developed herein effectively increases the skin dose in patients with early-stage glottic cancer. Patients and Methods: We measured the surface doses for 26 patients who used the sCBS during treatment of early-stage glottic cancer through a parallel-opposed lateral two-field 6 MV photon beam. Measurements were performed by attaching optically stimulated luminescent dosimeters to the left, right, anterior (in-field), inferior, and superior (out-field) sides of the patient. Results: The measured results were 81.8 +/- 2.1% (left), 81.0 +/- 1.7% (right), and 76.8 +/- 2.7% (anterior) in the in-field region compared to prescription doses, with 5.7 +/- 1.7% (superior) and 2.7 +/- 0.7% (inferior) in the out-field region. Conclusion: sCBS can deliver a suitably ideal surface dose for treatment of early-stage glottic cancer.
引用
收藏
页码：1013 / 1017
页数：5
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