Case report: 3D-printed model for surface mould preparation on a patient with Down’s syndrome

IF 0.3 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Journal of Radiotherapy in Practice Pub Date : 2023-05-22 DOI:10.1017/S1460396923000183

Iqbal Al Amri, Rohit Inippully Somasundaran, Mahmoud Al Fishawy, N. Babu, Hajir Sulaiman Al Siyabi, M. Al Ghafri

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Abstract

Abstract Introduction: A patient with Down’s syndrome, with dermatofibrosarcoma protuberans, was intended for adjuvant radiotherapy. The lesion was on the parietal region of the head of the patient. Given the proximity of the lesion to the brain, the curvature of the lesion, and potential complications of anaesthesia for a Down’s syndrome patient, brachytherapy was the appropriate treatment. Anaesthesia complications for patients with Down’s syndrome are airway infections, atlanto-occipital dislocation and bradycardia. Method: Instead of sedating the patient in order to prepare a mould applicator, a 3D-printed model of the patient’s head was used. This allowed us greater time to prepare the applicator in a more relaxed environment. Result: The fit of the mould applicator on the patient was satisfactory. Minimum air gaps were observed. The treatment could be completed with sedation only. Conclusion: We were able to achieve an equivalent dose of 44·69 Gy in 5 sessions of brachytherapy, significantly reducing the anaesthesia sessions and the associated risks. A drawback of 3D printing is that it takes several hours to print the model.

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病例报告：唐氏综合征患者表面模具制备的3D打印模型

摘要简介：一名唐氏综合征患者，伴隆起性皮肤纤维肉瘤，拟进行辅助放射治疗。病变位于患者头部的顶叶区域。考虑到病变与大脑的距离、病变的曲率以及唐氏综合征患者麻醉的潜在并发症，近距离放射治疗是合适的治疗方法。唐氏综合征患者的麻醉并发症包括气道感染、寰枕脱位和心动过缓。方法：使用患者头部的3D打印模型，而不是为了准备模具涂抹器而给患者注射镇静剂。这让我们有更多的时间在更轻松的环境中准备涂抹器。结果：模具敷贴器在患者身上的安装效果良好。观察到最小的气隙。只有镇静才能完成治疗。结论：我们能够在5次近距离放射治疗中获得44.69Gy的等效剂量，显著降低了麻醉时间和相关风险。3D打印的一个缺点是打印模型需要几个小时。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Radiotherapy in Practice RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Journal of Radiotherapy in Practice is a peer-reviewed journal covering all of the current modalities specific to clinical oncology and radiotherapy. The journal aims to publish research from a wide range of styles and encourage debate and the exchange of information and opinion from within the field of radiotherapy practice and clinical oncology. The journal also aims to encourage technical evaluations and case studies as well as equipment reviews that will be of interest to an international radiotherapy audience.