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Related Experiment Videos

Lower lobe collapse due to pleural effusion: a CT analysis.

M R Paling, G K Griffin

    Journal of Computer Assisted Tomography
    |November 1, 1985
    PubMed
    Summary

    Pleural effusions cause adjacent lung volume loss, often leading to lower lobe atelectasis. Large effusions cause significant lower lobe collapse, uplifting and compressing the lung toward the hilum.

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    Radiology·1988

    Area of Science:

    • Pulmonary Medicine
    • Radiology
    • Thoracic Surgery

    Background:

    • Pleural effusions are fluid collections in the pleural space.
    • Lung volume changes adjacent to effusions are common.
    • Understanding these changes is crucial for diagnosis and management.

    Purpose of the Study:

    • To describe the patterns of lung volume loss and collapse associated with pleural effusions.
    • To elucidate the mechanisms of lower lobe displacement and collapse.

    Main Methods:

    • Observational study analyzing chest imaging findings.
    • Correlation of effusion size with adjacent lung changes.

    Main Results:

    • Pleural effusions cause adjacent lung volume loss, predominantly in the lower lobe.
    • Modest effusions may cause generalized volume loss or segmental atelectasis (posterior basal segment).
    • Large effusions lead to significant lower lobe collapse, uplifted and compressed towards the hilum.

    Conclusions:

    • Pleural effusions induce characteristic patterns of lung volume loss and collapse.
    • The behavior of the collapsed lobe is influenced by the effusion's size and the inferior pulmonary ligament.

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