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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

625
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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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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Related Experiment Video

Updated: Apr 1, 2026

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
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Functional Lung Imaging Using CT: An Update.

Changhyun Lee1,2,3,4, Juergen Biederer5,6,7,8, Yoshiharu Ohno9,10

  • 1Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.

Radiology. Cardiothoracic Imaging
|June 5, 2025
PubMed
Summary
This summary is machine-generated.

Chest CT imaging provides detailed structural and functional insights into lung diseases like asthma and pulmonary embolism. Advanced CT techniques enhance understanding of lung function and disease impact, improving diagnostic capabilities.

Keywords:
Applications-CTCT-PerfusionCT-QuantitativeCT-Spectral Imaging (Dual Energy)LungThorax

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Area of Science:

  • Diagnostic imaging
  • Thoracic radiology
  • Pulmonary medicine

Background:

  • Chest CT is crucial for diagnosing airway and vascular lung diseases.
  • Optimal ventilation-perfusion matching is essential for gas exchange.
  • Disease negatively impacts ventilation-perfusion dynamics.

Purpose of the Study:

  • To highlight the role of CT in diagnosing lung diseases.
  • To explore advancements in CT technology for functional lung information.
  • To enhance understanding of lung function and disease effects.

Main Methods:

  • Detailed structural analysis of lung parenchyma, airways, and vasculature using CT.
  • Application of advanced scanner and software technology for functional assessment.
  • Integration of quantitative and perfusion CT techniques.

Main Results:

  • CT offers detailed morphological and functional insights into lung conditions.
  • Sophisticated CT technology expands diagnostic scope beyond structure.
  • New understanding of lung function and disease impact is emerging.

Conclusions:

  • Chest CT is pivotal in diagnosing diverse lung pathologies.
  • Functional information from advanced CT improves diagnostic capabilities.
  • Understanding CT's evolving role is vital for diagnostic imaging professionals.