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Related Experiment Videos

Pleural changes in malignant pleural effusions: appearance on computed tomography

P B O'Donovan1, P Eng

  • 1Division of Radiology, Cleveland Clinic Foundation, OH 44195.

Cleveland Clinic Journal of Medicine
|March 1, 1994
PubMed
Summary

Computed tomography (CT) scans reveal common pleural abnormalities in malignant pleural effusions, including thickening in 62% of cases. These CT findings aid in diagnosing pleural malignancy.

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COMETARY SCIENCE. 67P/Churyumov-Gerasimenko surface properties as derived from CIVA panoramic images.

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Area of Science:

  • Radiology
  • Oncology
  • Pulmonology

Background:

  • Malignant pleural effusions are a significant complication of metastatic tumors.
  • Computed tomography (CT) imaging shows variable appearances of malignant pleural effusions, ranging from simple fluid to complex pleural abnormalities.

Purpose of the Study:

  • To determine the prevalence of specific abnormalities detected by CT scans in patients diagnosed with malignant pleural effusion.

Main Methods:

  • Retrospective analysis of CT scans from 86 patients with confirmed malignant pleural effusions.
  • Exclusion of patients with primary pleural malignancies, such as mesothelioma.

Main Results:

  • Homogeneous fluid was observed in 98% of malignant effusions.

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  • Focal tumor masses within the effusion were identified in 10% of patients.
  • Pleural thickening (smooth or irregular) was present in 62%, and fluid loculation in 40%.

    • Conclusions:

    • CT scanning effectively visualizes pleural abnormalities suggestive of malignancy.
    • Radiologists and clinicians can utilize CT findings to increase suspicion for pleural involvement by cancer.