computed tomography

简明释义

计算断层照相法

英英释义

例句

1.The doctor recommended a computed tomography 计算机断层扫描 scan to get a clearer view of the patient's internal organs.

医生建议进行一次计算机断层扫描 computed tomography 以更清晰地查看病人的内脏。

2.Patients often feel anxious before undergoing a computed tomography 计算机断层扫描 due to the noise of the machine.

患者在接受计算机断层扫描 computed tomography 前常常感到焦虑，因为机器的噪音。

3.A computed tomography 计算机断层扫描 can help detect tumors that are not visible on conventional X-rays.

一项计算机断层扫描 computed tomography 可以帮助发现常规X光无法看到的肿瘤。

4.The radiologist analyzed the computed tomography 计算机断层扫描 images to provide a detailed report.

放射科医生分析了计算机断层扫描 computed tomography 图像，以提供详细报告。

5.During the emergency, the hospital used computed tomography 计算机断层扫描 to quickly assess the extent of the injuries.

在紧急情况下，医院使用计算机断层扫描 computed tomography 快速评估伤势的严重程度。

作文

In the field of medical imaging, computed tomography plays a crucial role in diagnosing various health conditions. This advanced imaging technique, often abbreviated as CT, allows healthcare professionals to visualize the internal structures of the body in great detail. Unlike traditional X-rays, which provide a two-dimensional view, computed tomography offers cross-sectional images that can be reconstructed into three-dimensional representations. This capability is particularly valuable in identifying tumors, internal bleeding, and other abnormalities that may not be visible through standard imaging methods.The process of computed tomography involves the use of a rotating X-ray machine and a computer. During the procedure, the patient lies on a table that moves through a circular opening in the CT scanner. As the machine rotates around the patient, it takes multiple X-ray images from different angles. These images are then processed by a computer to create detailed cross-sectional images of the body's organs and tissues. The speed and accuracy of this technique have made it an essential tool in emergency medicine, oncology, and many other specialties.One of the significant advantages of computed tomography is its ability to provide rapid results. In emergency situations, where time is of the essence, CT scans can be performed quickly, allowing doctors to make informed decisions about treatment. For example, in cases of trauma, a CT scan can help identify internal injuries that require immediate intervention. Additionally, computed tomography is invaluable in cancer diagnosis and monitoring. It allows oncologists to assess the size and location of tumors, evaluate treatment effectiveness, and detect any recurrence of the disease.Despite its numerous benefits, there are some considerations regarding the use of computed tomography. One concern is the exposure to ionizing radiation, which is associated with an increased risk of cancer over time. Healthcare providers must weigh the risks and benefits before recommending a CT scan, ensuring that it is necessary for the patient's diagnosis or treatment plan. Furthermore, advancements in technology are continually improving the safety and efficacy of CT scans, such as the development of low-dose protocols and alternative imaging techniques.In conclusion, computed tomography has revolutionized the field of medical imaging, providing healthcare professionals with powerful tools to diagnose and manage various health conditions. Its ability to produce detailed images quickly has made it indispensable in modern medicine. As technology continues to evolve, the future of computed tomography looks promising, with ongoing research aimed at enhancing its capabilities while minimizing risks. Overall, understanding the significance of computed tomography is essential for both healthcare providers and patients, as it plays a vital role in ensuring accurate diagnoses and effective treatments.

在医学影像学领域，计算机断层扫描在诊断各种健康状况方面发挥着至关重要的作用。这种先进的成像技术，通常缩写为CT，允许医疗专业人员以极大的细节可视化身体的内部结构。与提供二维视图的传统X光不同，计算机断层扫描提供可以重建为三维表示的横截面图像。这种能力在识别肿瘤、内部出血和其他可能无法通过标准成像方法可见的异常时尤其有价值。计算机断层扫描的过程涉及使用旋转的X光机和计算机。在程序过程中，患者躺在一张表上，该表通过CT扫描仪的圆形开口移动。当机器围绕患者旋转时，它从不同的角度拍摄多个X光图像。这些图像随后由计算机处理，以创建身体器官和组织的详细横截面图像。这种技术的速度和准确性使其成为急救医学、肿瘤学和许多其他专业领域的重要工具。计算机断层扫描的一项重大优势是它能够快速提供结果。在紧急情况下，时间至关重要，CT扫描可以迅速进行，使医生能够就治疗做出明智的决定。例如，在创伤病例中，CT扫描可以帮助识别需要立即干预的内部损伤。此外，计算机断层扫描在癌症诊断和监测中也是不可或缺的。它使肿瘤科医生能够评估肿瘤的大小和位置，评估治疗效果，并检测疾病的任何复发。尽管有许多好处，但使用计算机断层扫描也存在一些考虑因素。其中一个问题是接触到电离辐射，这与长期增加癌症风险有关。医疗提供者必须在推荐CT扫描之前权衡风险和收益，确保对患者的诊断或治疗计划是必要的。此外，技术的进步不断提高CT扫描的安全性和有效性，例如开发低剂量协议和替代成像技术。总之，计算机断层扫描彻底改变了医学成像领域，为医疗专业人员提供了强大的工具来诊断和管理各种健康状况。它快速生成详细图像的能力使其在现代医学中不可或缺。随着技术的不断发展，计算机断层扫描的未来看起来充满希望，持续的研究旨在增强其能力，同时最小化风险。总的来说，理解计算机断层扫描的重要性对医疗提供者和患者都是至关重要的，因为它在确保准确诊断和有效治疗方面发挥着重要作用。