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[Bronchiectasis imaging].

G Chassagnon1, A-L Brun1, S Bennani1

  • 1Unité d'imagerie thoracique, groupe hospitalier Cochin-Broca-Hôtel-Dieu, AP-HP, 27, rue du Faubourg-Saint-Jacques, 75014 Paris, France.

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Summary
This summary is machine-generated.

Bronchiectasis, a condition of irreversible bronchial dilation, is increasingly diagnosed using chest CT scans. This review details imaging techniques for diagnosis, severity assessment, and identifying causes of bronchiectasis.

Keywords:
BronchiectasisComputed tomographyDilatation des bronchesImagerieImagerie par résonance magnétiqueImagingMagnetic resonance imagingScanner

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Area of Science:

  • Radiology
  • Pulmonology
  • Medical Imaging

Background:

  • Bronchiectasis is defined as irreversible bronchial dilation, leading to significant morbidity.
  • Prevalence is rising, linked to increased use of thoracic computed tomography (CT).
  • Accurate diagnosis and monitoring are crucial for patient management.

Purpose of the Study:

  • To describe imaging features for diagnosing and assessing bronchiectasis severity.
  • To review CT findings that help identify specific causes of bronchiectasis.
  • To present emerging developments in bronchiectasis imaging modalities.

Main Methods:

  • Review of diagnostic criteria for bronchiectasis on chest CT.
  • Analysis of imaging features for severity assessment and monitoring.
  • Exploration of new imaging techniques like Lung MRI and ultra-low dose CT.

Main Results:

  • Chest CT is the gold standard, with key criteria including increased bronchial diameter and lack of tapering.
  • Pseudo-bronchiectasis can occur due to decreased artery diameter.
  • CT patterns and associated findings aid in etiological diagnosis.

Conclusions:

  • Imaging, particularly chest CT, is vital for diagnosing, assessing severity, and determining causes of bronchiectasis.
  • Advanced imaging techniques show promise for future applications.
  • Understanding imaging features is essential for effective clinical management.