[1]潘搌鹏,史颂琪,李思妹,等.个性化3D打印头枕对头颈部肿瘤放疗计划剂量学的影响[J].中国医学物理学杂志,2024,41(3):294-298.[doi:DOI:10.3969/j.issn.1005-202X.2024.03.005]
　PAN Zhanpeng,SHI Songqi,LI Simei,et al.Dosimetric effect of customized 3D-printed headrest in radiotherapy for head and neck tumor[J].Chinese Journal of Medical Physics,2024,41(3):294-298.[doi:DOI:10.3969/j.issn.1005-202X.2024.03.005]
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个性化3D打印头枕对头颈部肿瘤放疗计划剂量学的影响()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
41卷
期数:
2024年第3期
页码:
294-298
栏目:
医学放射物理
出版日期:
2024-03-27

文章信息/Info

Title:
Dosimetric effect of customized 3D-printed headrest in radiotherapy for head and neck tumor
文章编号:
1005-202X（2024）03-0294-05
作者:
潘搌鹏1; 史颂琪1; 李思妹1; 陈小君2; 甘庆权2; 曹小飞1
1.广州市第一人民医院南沙肿瘤科， 广东 广州 511468； 2.广州市第一人民医院肿瘤科， 广东 广州 510180
Author(s):
PAN Zhanpeng1;  SHI Songqi1;  LI Simei1;  CHEN Xiaojun2;  GAN Qingquan2;  CAO Xiaofei1
1. Department of Oncology, Nansha Branch, Guangzhou First Peoples Hospital, Guangzhou 511468, China 2. Department of Oncology, Guangzhou First Peoples Hospital, Guangzhou 510180, China
关键词:
3D打印; 头枕; 头颈部肿瘤; 剂量学
Keywords:
Keywords: three-dimensional printing headrest head and neck tumor dosimetry
分类号:
R811.1
DOI:
DOI:10.3969/j.issn.1005-202X.2024.03.005
文献标志码:
A
摘要:
目的：评估不同材料的3D打印头枕对头颈部肿瘤放疗计划剂量学的影响。通过比较放疗计划靶区剂量、均匀性指数（HI）、适形度指数（CI）、机器跳数（MU）、危及器官剂量等参数的差异，评估3D打印个性化头枕在计划中是否可被忽略。方法：选择10例头颈部肿瘤患者，包括5例鼻咽癌患者和5例其他头颈部肿瘤患者。使用医科达Monaco计划系统勾画头枕轮廓，并在相同的计算参数下，计算忽略头枕、普通头枕、10%填充的聚乳酸（PLA）和聚氨酯弹性体（TPU）材料3D打印头枕对应的放疗计划。记录靶区剂量、危及器官剂量和MU等结果，并进行统计学分析。结果：在D95、D5、Dmean、HI、CI、MU、危及器官剂量（脊髓最大剂量）等参数上，忽略头枕、普通头枕、PLA和TPU材料3D打印头枕4组数据之间均无统计学意义（P>0.05）。在考虑头枕存在的情况下，对于鼻咽癌和其他头颈部肿瘤的分析结果显示，CI有统计学意义（P<0.05）。结论：在计划设计阶段，可以忽略3D打印个性化头枕的存在，但考虑到头枕的存在会降低放疗计划的MU。在考虑头枕的情况下，其他头颈部肿瘤患者的CI平均值显著高于鼻咽癌患者。
Abstract:
Abstract: Objective To evaluate the dosimetric effect of three-dimensional (3D) printed headrests made of different materials in radiotherapy for head and neck tumor, and to evaluate whether the existence of customized 3D-printed headrest can be neglected during planning phase by comparing differences in target area doses, homogeneity index (HI), conformity index (CI), monitor units (MU), and organ-at-risk (OAR) dose. Methods Ten patients with head and neck tumors, including 5 cases with nasopharyngeal carcinoma and 5 with other head and neck tumors, were enrolled. The headrest contours were outlined using Monaco treatment planning system, and with the same calculation parameters, treatment plans were generated for scenarios without a headrest, with a standard headrest, and with 3D-printed headrests made of 10% filled polylactic acid and thermoplastic polyurethane. The target area doses, OAR dose, MU, and other results were recorded and subjected to statistical analysis. Results No significant differences were observed among the 4 groups (ignoring headrest, standard headrest, 3D-printed headrests with 10% filled polylactic acid and thermoplastic polyurethane) in parameters such as D95, D5, Dmean, HI, CI, MU, and OAR dose (the maximum dose to the spinal cord) (P>0.05). Considering the presence of the headrest, significant differences were found in CI for nasopharyngeal carcinoma and other head and neck tumors (P<0.05). Conclusion During the planning phase, the existence of customized 3D-printed headrest can be ignored, but it should be noted that the presence of a headrest may reduce the MU in radiotherapy plans. When considering the headrest, the average CI of patients with other head and neck tumors is significantly higher than that with nasopharyngeal carcinoma.

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备注/Memo

备注/Memo:
【收稿日期】2023-11-06 【基金项目】广州市南沙区科技计划项目（2021MS006） 【作者简介】潘搌鹏，助理工程师，从事肿瘤放射物理工作，E-mail: szupzp@qq.com 【通信作者】曹小飞，主任医师，从事肿瘤放化疗综合诊治工作，E-mail: 1270348159@qq.com
更新日期/Last Update: 2024-03-27