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相关概念视频

Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Computed Tomography01:10

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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相关实验视频

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神经网络应用程序用于评估甲状腺相关的轨道病变活动,使用轨道计算机断层扫描.

Jaesung Lee1,2, Sanghyuck Lee1, Won Jun Lee3

  • 1Department of Artificial Intelligence, Chung-Ang University, Seoul, Korea.

Scientific reports
|August 10, 2023
PubMed
概括

本研究介绍了一种神经网络 (NN) 方法,用于评估使用轨道CT扫描的甲状腺相关轨道病变 (TAO) 活动. 作为一种诊断工具,NN显示出前景,在准确性方面超过其他模型.

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科学领域:

  • 眼科医生 眼科 眼科
  • 放射学 放射学是一门学科.
  • 人工智能在医学中的应用

背景情况:

  • 甲状腺相关轨道病 (TAO) 是一种影响眼的自身免疫性疾病.
  • 准确评估TAO活动对于及时有效治疗至关重要.
  • 当前的诊断方法在区分活跃和不活跃的疾病阶段时可能缺乏精度.

研究的目的:

  • 开发和验证一种基于神经网络 (NN) 的新方法来评估TAO患者的活动.
  • 使用轨道计算机断层扫描 (CT) 扫描和临床数据用于TAO活动评估.
  • 将拟议的NN的性能与现有的深度学习模型进行比较.

主要方法:

  • 分析了144名活跃TAO患者和288名不活跃TAO患者的轨道CT扫描.
  • 一个预处理管道涉及选择11个关键图像切片和细分感兴趣的区域.
  • 设计了一个定制的NN,整合了来自13个信息提取管道的数据和患者年龄/性别数据.

主要成果:

  • 拟议的NN实现了0.871的接收器操作曲线 (AUROC) 下的面积,灵敏度为0.786和特异性为0.779.
  • 性能明显超过了对比模型CSPDenseNet (AUROC 0.819) 和ConvNeXt (AUROC 0.774) 的性能.
  • 废弃性研究表明,在三到五个活跃信息管道的情况下,NN的性能是最佳的.

结论:

  • 开发的基于NN的方法显示出作为诊断TAO活动的可靠工具的高潜力.
  • 这些发现表明,整合多管道信息提取可以提高诊断准确度.
  • 建议进一步验证,以确定这种方法作为TAO评估的临床标准.