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Pulmonary pseudotumours and asbestos

G Hillerdal, A Hemmingsson

    Acta Radiologica: Diagnosis
    |January 1, 1980
    PubMed
    Summary

    Localized pleural reactions mimicking lung cancer were observed in ten patients, potentially years after asbestos exposure. These atelectatic pseudotumours, sequelae of benign pleurisy, can be diagnosed with CT scans, avoiding unnecessary surgery.

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    Area of Science:

    • Pulmonary Medicine
    • Thoracic Surgery
    • Radiology

    Background:

    • Localized visceral pleural reactions involving lung parenchyma can mimic pulmonary malignancy.
    • These lesions, termed atelectatic pseudotumours, pose diagnostic challenges.
    • Previous asbestos exposure may be a contributing factor, occurring years prior.

    Purpose of the Study:

    • To describe a series of patients with atelectatic pseudotumours.
    • To investigate the potential link between asbestos exposure, benign pleurisy, and these lesions.
    • To evaluate the utility of computed tomography (CT) in diagnosing these conditions.

    Main Methods:

    • Case series describing ten patients with localized pleural and lung reactions.
    • Review of clinical presentations, imaging findings (including CT), and surgical outcomes.
    • Correlation with patient history, particularly asbestos exposure and pleurisy.

    Main Results:

    • Ten patients presented with atelectatic pseudotumours involving the visceral pleura and lung.
    • Five patients underwent thoracotomy due to misdiagnosis as pulmonary malignancy.
    • Computed tomography proved valuable in characterizing the lesions and differentiating them from tumors.

    Conclusions:

    • Atelectatic pseudotumours are a potential sequela of benign pleurisy, possibly years after asbestos exposure.
    • These lesions can be mistaken for lung cancer, leading to invasive procedures.
    • CT imaging is crucial for accurate diagnosis and can help avoid unnecessary thoracotomy.

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