depth dose

简明释义

深部剂量

英英释义

例句

1.The radiologist calculated the depth dose to ensure the treatment would target the tumor effectively.

放射科医生计算了深度剂量以确保治疗能够有效地针对肿瘤。

2.In brachytherapy, the depth dose profile helps in planning the placement of radioactive sources.

在近距离放射治疗中，深度剂量曲线有助于规划放射源的放置。

3.The physicist presented a study on how depth dose affects normal tissue sparing.

物理学家展示了一项研究，探讨了深度剂量如何影响正常组织的保护。

4.The depth dose measurement indicated that the radiation was penetrating deeply enough.

测量结果显示深度剂量表明辐射穿透得足够深。

5.Understanding the depth dose is crucial for optimizing radiation therapy.

理解深度剂量对于优化放射治疗至关重要。

作文

Understanding the concept of depth dose is crucial in the field of radiation therapy. In essence, depth dose refers to the amount of radiation energy absorbed by a tissue at various depths within the body. This measurement is vital for ensuring that the tumor receives an adequate dose of radiation while minimizing exposure to surrounding healthy tissues. The principle behind depth dose is based on the inverse square law and the characteristics of the radiation beam used during treatment.In radiation therapy, different types of radiation are employed, including X-rays, gamma rays, and electron beams. Each type of radiation has a unique penetration capability, which affects how the depth dose is distributed within the patient's body. For instance, high-energy X-rays can penetrate deeper tissues compared to lower-energy radiation, making them suitable for treating tumors located deep within the body. Conversely, electron beams are more effective for superficial tumors because they deposit most of their energy near the surface, resulting in a higher depth dose at shallow depths.The measurement of depth dose is typically conducted using dosimeters, which are devices that measure the absorbed dose of radiation. These readings help oncologists determine the optimal radiation dose needed for effective treatment. Additionally, understanding the depth dose distribution allows for better planning of the treatment regimen, ensuring that the radiation is delivered precisely where needed.Moreover, the concept of depth dose is not only limited to radiation therapy but also extends to other fields such as diagnostic radiology and nuclear medicine. In these areas, knowing the depth dose can assist in evaluating the risks associated with radiation exposure and in optimizing imaging techniques to minimize patient exposure.It is also important to consider the variations in depth dose due to individual patient anatomy and the positioning of the tumor. Factors such as body composition, the presence of air cavities, and the geometry of the irradiated area can all influence the depth dose. Therefore, personalized treatment plans that account for these variables are essential for achieving the best possible outcomes in radiation therapy.In conclusion, the understanding of depth dose plays a pivotal role in the safe and effective delivery of radiation therapy. By comprehensively analyzing the depth dose distribution, healthcare professionals can tailor treatments to maximize tumor control while minimizing damage to healthy tissues. As technology advances and new techniques are developed, the importance of accurately measuring and applying the concept of depth dose will continue to grow, ultimately leading to improved patient care and outcomes in oncology.

理解深度剂量的概念在放射治疗领域至关重要。实际上，深度剂量指的是在身体不同深度的组织中吸收的辐射能量。这一测量对于确保肿瘤接受足够的辐射剂量，同时尽量减少对周围健康组织的暴露至关重要。深度剂量背后的原理基于平方反比定律和治疗过程中使用的辐射束的特性。在放射治疗中，使用了不同类型的辐射，包括X射线、伽马射线和电子束。每种类型的辐射具有独特的穿透能力，这影响着患者体内的深度剂量分布。例如，高能X射线可以穿透更深的组织，而低能辐射则不然，因此它们适合治疗位于体内深处的肿瘤。相反，电子束对表浅肿瘤更有效，因为它们在表面附近释放大部分能量，导致在浅层深度的深度剂量较高。深度剂量的测量通常使用剂量计进行，这是一种测量辐射吸收剂量的设备。这些读数帮助肿瘤科医生确定有效治疗所需的最佳辐射剂量。此外，了解深度剂量分布可以更好地规划治疗方案，确保辐射准确地传递到需要的地方。此外，深度剂量的概念不仅限于放射治疗，还扩展到其他领域，如诊断放射学和核医学。在这些领域，了解深度剂量可以帮助评估与辐射暴露相关的风险，并优化成像技术以最小化患者的暴露。还需要考虑由于个体患者解剖结构和肿瘤位置的变化而导致的深度剂量差异。身体成分、气腔的存在以及照射区域的几何形状等因素都可能影响深度剂量。因此，考虑到这些变量的个性化治疗方案对于实现放射治疗的最佳结果至关重要。总之，理解深度剂量在安全有效地进行放射治疗中发挥着关键作用。通过全面分析深度剂量分布，医疗专业人员可以量身定制治疗方案，以最大化肿瘤控制，同时尽量减少对健康组织的损害。随着技术的进步和新技术的发展，准确测量和应用深度剂量的概念的重要性将继续增长，最终推动肿瘤学中患者护理和结果的改善。