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相关概念视频

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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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.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Pulmonary Function Tests01:25

Pulmonary Function Tests

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Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
269
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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Positron Emission Tomography01:29

Positron Emission Tomography

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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.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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相关实验视频

Updated: May 14, 2025

Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis
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功能性肺部成像 功能性肺部成像

Agilo L Kern1,2, Filip Klimeš1,2, Andreas Voskrebenzev1,2

  • 1Institute for Diagnostic and Interventional Radiology, Hannover Medical School, Hannover, Germany.

Journal of magnetic resonance imaging : JMRI
|April 11, 2025
PubMed
概括
此摘要是机器生成的。

功能性肺成像提供了超越全球测试的高级肺评估. 先进的MRI和其他成像技术为临床和研究应用提供了对肺生理学的详细见解.

关键词:
气泡膜的功能是气泡膜.影像成像技术 影像成像技术肺功能 肺功能 肺功能微观结构的微观结构perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion perfusion 这是一个非常重要的方法,它可以让一个人成为一个非常重要的角色,一个非常重要的角色,一个非常重要的角色,一个非常重要的角色,一个非常重要的角色,一个非常重要的角色,一个非常重要的角色,一个非常重要的角色通风系统的通风系统.

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Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging
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Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
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Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
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科学领域:

  • 肺部医学 肺部医学
  • 医学成像医学成像
  • 生理学 生理学 生理学

背景情况:

  • 全球人口老龄化增加了肺部疾病的患病率,COPD是导致死亡的主要原因.
  • 目前的肺功能测试是全球性的,可能缺少早期的区域变化.
  • 功能性肺部成像为肺部病理生理学提供了空间解析的见解.

研究的目的:

  • 审查功能性肺部成像技术.
  • 突出磁共振成像 (MRI) 在功能性肺成像中的作用.
  • 讨论临床和研究环境中的应用.

主要方法:

  • 对各种功能性肺部成像模式的审查.
  • 专注于MRI技术,包括用对比剂进行1小时MRI和高极化/惰性气体MRI (例如129Xe).
  • 探索其他模式,如SPECT,CT和X射线暗场成像.

主要成果:

  • 描述的方法是基于它们评估通风, perfusion,气泡膜功能和微观结构的能力.
  • 磁力共振成像为详细的肺生理评估提供了多种工具.
  • 其他成像模式也有助于功能性肺评估.

结论:

  • 功能性肺成像对临床诊断和研究有价值.
  • 像MRI这样的先进成像技术可以揭示以前未知的肺生理学的方面.
  • 该领域对未来理解和管理肺部疾病的进步充满希望.