external irradiation

简明释义

外辐射

英英释义

例句

1.Radiation oncologists often recommend external irradiation as a primary treatment option.

放射肿瘤学家通常推荐外部照射作为主要治疗选择。

2.The patient received external irradiation for their cancer treatment.

患者接受了外部照射以治疗癌症。

3.After external irradiation, the patient was advised to rest and avoid strenuous activities.

在接受了外部照射后，医生建议患者休息并避免剧烈活动。

4.During the procedure, external irradiation was carefully monitored to minimize side effects.

在手术过程中，外部照射被仔细监测以最小化副作用。

5.The success of external irradiation depends on the type and stage of cancer.

治疗效果的成功与否取决于癌症的类型和阶段，尤其是外部照射。

作文

In the field of medicine, particularly in oncology, the term external irradiation refers to a technique used in radiation therapy where high-energy rays are directed towards a tumor from outside the body. This process is essential for treating various types of cancer, as it helps to destroy cancerous cells while minimizing damage to surrounding healthy tissues. The use of external irradiation has evolved significantly over the years, with advancements in technology leading to more precise and effective treatment options.The primary goal of external irradiation is to target the tumor specifically, ensuring that the maximum dose of radiation is delivered to the cancerous cells while sparing adjacent normal tissues as much as possible. This is achieved through sophisticated imaging techniques that allow medical professionals to accurately locate the tumor and determine the appropriate angle and dosage of radiation required. As a result, patients undergoing this treatment often experience fewer side effects compared to older methods of radiation therapy.One of the significant advantages of external irradiation is its non-invasive nature. Unlike surgical procedures that may require incisions or removal of tissue, radiation therapy can be performed on an outpatient basis, providing convenience for patients. Additionally, many patients find that they can continue their daily activities with minimal disruption during their treatment regimen.However, it is crucial to understand that external irradiation is not without its challenges. While it is effective for many types of cancer, some tumors may be located in areas that are difficult to target without affecting surrounding healthy tissues. In such cases, doctors may recommend combining external irradiation with other treatment modalities, such as chemotherapy or immunotherapy, to enhance the overall effectiveness of the cancer treatment plan.Moreover, the side effects of external irradiation can vary depending on the area being treated. Common side effects include fatigue, skin irritation, and changes in appetite. Patients are encouraged to communicate openly with their healthcare team about any symptoms they experience, as supportive care measures can help manage these effects.As research continues to advance, newer techniques in external irradiation are being developed. For instance, intensity-modulated radiation therapy (IMRT) and stereotactic body radiation therapy (SBRT) are innovative approaches that allow for even greater precision in targeting tumors. These advancements hold promise for improving treatment outcomes and reducing side effects for patients undergoing radiation therapy.In conclusion, external irradiation plays a pivotal role in the treatment of cancer, offering a non-invasive option that can effectively target tumors while preserving healthy tissue. As technology progresses, the future of external irradiation looks promising, with ongoing research aimed at enhancing its effectiveness and minimizing adverse effects. Patients diagnosed with cancer should discuss all available treatment options, including external irradiation, with their healthcare providers to make informed decisions about their care. The journey through cancer treatment can be challenging, but understanding the role of external irradiation can empower patients and their families as they navigate this difficult time.

在医学领域，特别是在肿瘤学中，术语外部照射指的是一种用于放射治疗的技术，其中高能射线从体外指向肿瘤。这个过程对于治疗各种类型的癌症至关重要，因为它有助于摧毁癌细胞，同时尽量减少对周围健康组织的损害。随着技术的进步，外部照射的使用在这些年里发生了显著变化，导致更精确和有效的治疗选择。外部照射的主要目标是专门针对肿瘤，确保最大剂量的辐射被施加到癌细胞上，同时尽量保护相邻的正常组织。这是通过先进的成像技术实现的，这些技术使医疗专业人员能够准确定位肿瘤并确定所需的辐射的适当角度和剂量。因此，接受这种治疗的患者通常会经历比旧有放射治疗方法更少的副作用。外部照射的一个显著优势是其非侵入性特征。与可能需要切口或组织切除的外科手术不同，放射治疗可以在门诊基础上进行，为患者提供了便利。此外，许多患者发现，在治疗过程中，他们可以继续日常活动，几乎没有干扰。然而，必须理解的是，外部照射并非没有挑战。虽然它对许多类型的癌症有效，但某些肿瘤可能位于难以定位的区域，无法在不影响周围健康组织的情况下进行靶向治疗。在这种情况下，医生可能会建议将外部照射与其他治疗方式（如化疗或免疫疗法）结合，以增强癌症治疗计划的整体有效性。此外，外部照射的副作用可能因治疗区域而异。常见的副作用包括疲劳、皮肤刺激和食欲变化。鼓励患者与他们的医疗团队进行开放的沟通，讨论他们经历的任何症状，因为支持性护理措施可以帮助管理这些效果。随着研究的不断进展，新的外部照射技术正在开发。例如，强度调制放射治疗（IMRT）和立体定向体部放射治疗（SBRT）是创新的方法，允许在靶向肿瘤时实现更大的精确性。这些进展为改善治疗结果和减少接受放射治疗患者的副作用带来了希望。总之，外部照射在癌症治疗中发挥着关键作用，提供了一种非侵入性的选择，可以有效地靶向肿瘤，同时保护健康组织。随着技术的发展，外部照射的未来看起来很有希望，正在进行的研究旨在提高其有效性并最小化不良反应。被诊断为癌症的患者应与他们的医疗提供者讨论所有可用的治疗选择，包括外部照射，以便就他们的护理做出明智的决定。癌症治疗的旅程可能是具有挑战性的，但理解外部照射的作用可以赋予患者及其家属在这一困难时期的力量。