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[Imaging of emphysema].

C Grosse1, A Bankier

  • 1Institut für Radiodiagnostik, Medizinische Universität, Währinger Gürtel 18-20, A-1090, Wien, Austria. claudia.grosse@meduniwien.ac.at

Der Radiologe
|January 17, 2007
PubMed
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Emphysema is a lung condition causing permanent airspace enlargement and alveolar wall destruction. Computed tomography (CT) effectively detects and quantifies emphysema, distinguishing it from other lung diseases.

Area of Science:

  • Pulmonology
  • Radiology

Background:

  • Emphysema is a prevalent lung disease marked by permanent airspace enlargement and alveolar destruction.
  • It presents with high morbidity and mortality.
  • Two main histopathological types exist: panlobular (alpha1-antitrypsin deficiency) and centrilobular (cigarette smoking).

Purpose of the Study:

  • To define emphysema and its characteristics.
  • To highlight the role of Computed Tomography (CT) in emphysema detection and assessment.
  • To differentiate emphysema from other cystic lung diseases using CT findings.

Main Methods:

  • Review of emphysema definition and pathology.
  • Evaluation of Computed Tomography (CT) for emphysema detection and quantification.
  • Comparison of CT findings in emphysema versus other lung pathologies.

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Main Results:

  • Emphysema involves permanent enlargement of airspaces distal to terminal bronchioles with alveolar wall destruction.
  • Computed tomography (CT) offers superior sensitivity for emphysema detection compared to radiography and pulmonary function tests.
  • CT aids in quantifying emphysema severity and identifying complications.
  • CT findings of emphysema (absence of visible walls) differentiate it from cystic lung diseases (presence of visible walls).

Conclusions:

  • Emphysema is a significant pulmonary condition with distinct pathological subtypes.
  • Computed tomography (CT) is a crucial imaging modality for diagnosing, quantifying, and characterizing emphysema.
  • CT imaging is vital for differential diagnosis, distinguishing emphysema from other lung abnormalities based on wall visibility.