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首页> 外文期刊>Otology and neurotology: official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology >Radiation Therapy in Cochlear Implant Recipients
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Radiation Therapy in Cochlear Implant Recipients

机译：人工耳蜗接受者的放射治疗

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Hypothesis: Processes of scattering and attenuation were investigated to determine the consequence on dose distributions by having a cochlear implant in the field of therapeutic radiation. Background: Radiation oncology medical accelerator beams of 6- and 18-MV x-ray energy were used. Five cochlear implants were investigated.Methods: Each implant model was individually studied using computer dose modeling and through exercises in radiation measurement during live delivery.Results: No side scatter was detected, and negligible back-scattering was observed for the primary device housing and electrodes. Attenuation consequences were found to be dependent on the model of cochlear implant studied and specifically dependent on the material composition of each device. Conclusion: The maximum attenuated dose change for the study was found to be -8.8% for 6 MV and -6.6% for 18 MV. This study presents the first comparison of therapeutic radiation delivery versus computerized treatment simulation involving cochlear implants.
机译：假设：研究了散射和衰减的过程，以通过在治疗辐射领域中的耳蜗植入物来确定剂量分布的后果。背景：使用6射线和18 mV X射线能量的辐射肿瘤学医学加速器束。研究了五个耳蜗植入物。方法：使用计算机剂量建模和通​​过实时递送过程中的辐射测量进行单独研究每个植入物模型。结果：未检测到侧面散射，并且在主设备外壳和电极上观察到可忽略不计的后散射可忽略不计。发现衰减后果取决于所研究的人工耳蜗植入物模型，并特别取决于每个设备的材料组成。结论：该研究的最大衰减变化为6 mV，为-8.8％，18 mV的剂量变化为-6.6％。这项研究介绍了治疗辐射输送与涉及人工耳蜗的计算机治疗模拟的首次比较。

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