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Pulmonary pseudonodule.

M J Shortsleeve, S C Foster

    Radiology
    |May 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A nodular density on lateral chest X-rays can be normal spine bone, not a lung nodule. This finding is due to bone thickening where the two laminae join to form the spinous process.

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    Area of Science:

    • Radiology
    • Anatomy
    • Medical Imaging

    Background:

    • Nodular densities on chest radiographs can represent various pathologies.
    • Accurate interpretation of radiographic findings is crucial for diagnosis.

    Purpose of the Study:

    • To identify the origin of a specific nodular density observed at the posterior lung base on lateral chest radiographs.
    • To differentiate normal anatomical structures from potential lung abnormalities.

    Main Methods:

    • Analysis of lateral chest radiographs.
    • Identification of a nodular density at the posterior lung base.
    • Correlation with spinal anatomy.

    Main Results:

    • The observed nodular density was identified as normal bone structure in the spine.

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  • The density results from thickening at the superior aspect of the join between the two laminae forming the spinous process.

    • Conclusions:

    • A posterior lung base nodular density on lateral chest X-rays can be an artifact of normal spinal anatomy.
    • Radiologists should consider spinal bone structures when interpreting posterior lung base densities.