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Related Experiment Videos

Normal and diseased isolated lungs: high-resolution CT.

W R Webb1, M G Stein, W E Finkbeiner

  • 1Department of Radiology, University of California School of Medicine, San Francisco 94143-0628.

Radiology
|January 1, 1988
PubMed
Summary

High-resolution computed tomography (CT) accurately visualizes lung structures and disease. This imaging technique effectively identifies emphysema and honeycombing, aiding in the diagnosis of pulmonary conditions.

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Area of Science:

  • Pulmonary Imaging
  • Radiology
  • Anatomical Pathology

Background:

  • High-resolution computed tomography (CT) is a valuable tool for visualizing lung parenchyma.
  • Understanding the detailed anatomy of the secondary pulmonary lobule is crucial for diagnosing lung diseases.

Purpose of the Study:

  • To evaluate the capability of high-resolution CT in depicting normal secondary pulmonary lobule structures.
  • To assess the accuracy of high-resolution CT in identifying pathological changes in various lung diseases.

Main Methods:

  • Comparison of high-resolution CT scans with lung sections from 12 autopsy lungs.
  • Analysis of lungs with normal, emphysematous, and honeycombing pathologies.
  • Detailed examination of interlobular septa, pulmonary arteries, bronchioles, and cysts.

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Main Results:

  • High-resolution CT visualized normal interlobular septa and pulmonary arteries but not lobular bronchioles.
  • Edema caused visible septal thickening. Emphysema and honeycombing were accurately depicted.
  • Small cysts (<1 mm) and intralobular fibrosis were not always visible.

Conclusions:

  • High-resolution CT demonstrates key features of the normal secondary pulmonary lobule.
  • The technique is effective in visualizing structural alterations caused by emphysema and honeycombing.
  • High-resolution CT aids in the radiological assessment of lung diseases.