radiation seed

简明释义

镭管

英英释义

例句

1.The radiation seed therapy is less invasive compared to traditional surgery.

放射种子疗法相比传统手术侵入性更小。

2.During the procedure, the radiation seed is implanted into the cancerous tissue.

在手术过程中，放射种子被植入癌变组织中。

3.After the treatment, the radiation seed remains in the body and emits radiation over time.

治疗后，放射种子留在体内，并随着时间释放辐射。

4.Patients receiving a radiation seed implant often have minimal recovery time.

接受放射种子植入的患者通常恢复时间较短。

5.The doctor explained that the radiation seed is used in brachytherapy to target tumors directly.

医生解释说，放射种子用于近距离治疗，直接针对肿瘤。

作文

In the realm of science and technology, the term radiation seed refers to a small, encapsulated source of radioactive material that is used in various applications, particularly in medical treatments such as brachytherapy. Brachytherapy is a form of radiation therapy where the radiation seed is placed directly inside or next to the tumor, allowing for a high dose of radiation to target cancer cells while minimizing exposure to surrounding healthy tissues. This localized treatment method has gained popularity due to its effectiveness and reduced side effects compared to traditional external beam radiation therapy.The development of radiation seeds has revolutionized cancer treatment. These seeds are typically made from materials like iodine-125 or palladium-103, which emit radiation over a specific period. The choice of material and the duration of radiation release can be tailored to the type of cancer being treated and the individual patient's needs. For example, prostate cancer patients often benefit from this technique, as the seeds can be implanted directly into the prostate gland, delivering focused radiation that can shrink tumors and improve survival rates.Moreover, the procedure for implanting radiation seeds is minimally invasive. It can often be done on an outpatient basis, meaning patients can go home the same day. This is a significant advantage over more invasive surgical options that may require longer recovery times. Patients typically experience less pain and discomfort, and the risk of complications is lower. As a result, many patients prefer this option when it is deemed appropriate by their healthcare providers.However, it is essential to understand that the use of radiation seeds comes with its own set of challenges. One of the primary concerns is the potential for radiation exposure to other individuals, particularly during the initial period after implantation when the seeds are most active. Patients are often advised to take precautions, such as avoiding close contact with pregnant women and young children for a short time after the procedure. Additionally, there may be side effects associated with the treatment, such as urinary issues or changes in sexual function, which should be discussed thoroughly with a healthcare professional.Research continues to advance the field of radiation oncology, with ongoing studies aimed at improving the efficacy and safety of radiation seeds. Innovations such as biodegradable seeds and those that can be monitored remotely are currently being explored. These advancements could lead to even better outcomes for patients undergoing treatment for various cancers, enhancing the precision of radiation delivery while reducing side effects.In conclusion, the term radiation seed encapsulates a crucial component of modern cancer treatment strategies. Its role in brachytherapy highlights the importance of localized radiation delivery, which can significantly improve patient outcomes. While there are challenges associated with its use, the benefits often outweigh the risks, making radiation seeds an invaluable tool in the fight against cancer. As research progresses, we can expect further enhancements in this area, ultimately leading to more effective and safer treatment options for patients around the world.

在科学和技术领域，术语放射种子指的是一种小型的、封装的放射性材料源，广泛应用于各种领域，特别是在医学治疗中，如近距离放射治疗。近距离放射治疗是一种放射治疗形式，其中放射种子直接放置在肿瘤内部或旁边，使得高剂量的放射线能够针对癌细胞，同时尽量减少对周围健康组织的照射。这种局部治疗方法因其有效性和相较于传统外部束放射治疗所带来的副作用较少而受到欢迎。放射种子的发展彻底改变了癌症治疗。这些种子通常由碘-125或钯-103等材料制成，能够在特定时间内释放辐射。材料的选择和辐射释放的持续时间可以根据治疗的癌症类型和患者的个体需求进行调整。例如，前列腺癌患者通常受益于这种技术，因为种子可以直接植入前列腺，提供针对肿瘤的集中辐射，从而缩小肿瘤并提高生存率。此外，植入放射种子的过程是微创的。它通常可以在门诊基础上进行，这意味着患者可以在当天回家。这是相较于需要更长恢复时间的侵入性手术选项的一大优势。患者通常经历的疼痛和不适较少，且并发症的风险也较低。因此，当医疗提供者认为合适时，许多患者更愿意选择这一选项。然而，必须理解的是，使用放射种子也面临着一系列挑战。其中一个主要问题是植入后初期种子活跃时，可能对其他个体造成的辐射暴露风险。患者通常会被建议采取预防措施，例如在手术后短时间内避免与孕妇和幼儿的密切接触。此外，治疗可能会出现一些副作用，如尿路问题或性功能变化，这些都应与医疗专业人士充分讨论。研究仍在推动放射肿瘤学领域的发展，目前正在进行的研究旨在提高放射种子的有效性和安全性。诸如可生物降解种子和能够远程监测的种子等创新目前正在探索中。这些进展可能会为接受各种癌症治疗的患者带来更好的结果，提高辐射传递的精确度，同时减少副作用。总之，术语放射种子代表了现代癌症治疗策略中的关键组成部分。它在近距离放射治疗中的作用突显了局部辐射传递的重要性，这可以显著改善患者的治疗效果。尽管使用中存在挑战，但好处往往超过风险，使得放射种子成为对抗癌症的重要工具。随着研究的进展，我们可以期待该领域进一步的增强，最终为全球患者提供更有效和安全的治疗选择。