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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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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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相关实验视频

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Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging
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区域探测器计算机断层扫描用于肺功能成像.

Yoshiharu Ohno1,2, Yoshiyuki Ozawa3, Hiroyuki Nagata2

  • 1Department of Diagnostic Radiology, Fujita Health University School of Medicine, Toyoake 470-1192, Aichi, Japan.

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概括

区域检测器CT (ADCT) 提供先进的肺功能成像. 本综述探讨了它在评估肺 perfusion,通风和生物力学方面的应用,重点是剂量减少和基于形态的技术.

关键词:
面积探测器CT CT 的区域探测器肺 肺 肺 肺 肺 肺 肺 肺 肺多探测器计算机断层扫描.肺功能 肺功能 肺功能辐射剂量辐射剂量

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科学领域:

  • 医疗成像医学成像
  • 放射学 放射学是一门学科.
  • 肺部医学 肺部医学

背景情况:

  • 面积探测器CT (ADCT) 系统,有320个探测器行,获取约160毫米面积的同位体体积数据.
  • 通过ADCT,可以在结节,淋巴结和瘤中进行输液评估的连续动态扫描.
  • 该技术支持各种扫描模式 (螺旋式,步骤和射击,大容量) 和双能量应用.

研究的目的:

  • 审查最近关于ADCT用于肺功能成像的证据.
  • 探索辐射剂量降低,基于形态的成像, perfusion,通风和生物力学评估中的应用.
  • 提供ADCT在评估肺功能方面的潜力的全面概述.

主要方法:

  • 审查近几十年出版的研究.
  • 专注于功能性ADCT中减少剂量的重建方法.
  • 基于形态的成像, perfusion,通风和生物力学评估的分析.

主要成果:

  • ADCT促进了对区域输液的定性和定量评估.
  • 使用各种剂 (,,,) 的对比增强可视化的潜力.
  • ADCT系统显示出作为肺功能成像工具的前景.

结论:

  • ADCT是一种多功能工具,具有显著的肺功能成像潜力.
  • 进一步的研究重点是剂量降低,功能评估和生物力学评估.
  • ADCT的进步有助于改善呼吸系统医学中的诊断能力.