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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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基于CT放射学预测甲状腺功能:一个双中心研究.

Rui Yu1, Yanhuan Tan2, Jinpeng Hou1

  • 1Department of Radiology, The Second Affiliated Hospital of Soochow University, Suzhou, China.

Quantitative imaging in medicine and surgery
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概括

这项研究表明,计算机断层扫描 (CT) 放射学可以帮助诊断甲状腺功能障碍和甲状腺功能障碍,特别是在没有典型症状的患者中. 将CT放射学与临床数据相结合,可以提高甲状腺功能障碍的诊断准确度.

关键词:
甲状腺功能 甲状腺功能无对比计算断层扫描 (无对比CT)无线电学 (radiomics) 是一种无线电学.

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科学领域:

  • 放射学 放射学是一门学科.
  • 医疗成像医学成像
  • 在瘤学瘤学.

背景情况:

  • 甲状腺功能过高/甲状腺功能低下的微妙临床表现构成诊断挑战.
  • 计算机断层扫描 (CT) 是一种常见的成像方式.
  • 放射学从医学图像中提取定量特征进行分析.

研究的目的:

  • 探索从非对比CT中放射学的实用性,用于诊断甲状腺功能障碍/甲状腺功能障碍.
  • 与临床模型相比,评估放射学模型的诊断性能.
  • 为了研究一个结合放射学和临床模型的价值.

主要方法:

  • 1,181名患者 (培训/内部验证) 和415名外部验证患者的回顾性分析.
  • 从非对比CT图像中提取放射学特征.
  • 开发用于甲状腺功能诊断的临床,放射学和组合模型.
  • 使用F1分数,kappa值和接收器运行特征 (ROC) 曲线进行评估.

主要成果:

  • 组合模型的F1得分比临床或仅使用放射学模型的F1得分高 (0.739内部,0.697外部).
  • ROC分析表明,在二进制分类中,组合模型的优势.
  • 放射性特征显示了甲状腺功能障碍的显著诊断价值.

结论:

  • 非对比的CT放射学显示出对甲状腺功能过高/低甲状腺功能过低的诊断效果很好.
  • 将临床信息与放射学信息相结合,可以提高诊断准确度.
  • 这种方法可以帮助识别非典型甲状腺疾病表现的患者.