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Related Experiment Videos

Episternal ossicles.

P Stark, G E Watkins, H E Hildebrandt-Stark

    Radiology
    |October 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Episternal ossicles are a normal anatomical variant found in 1.5% of individuals. These ossicles, identified on chest computed tomographic (CT) scans, should not be mistaken for fractures or other pathologies.

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    Area of Science:

    • Radiology
    • Anatomical Variants
    • Medical Imaging

    Background:

    • Episternal ossicles are rare anatomical findings.
    • Distinguishing them from pathological conditions is crucial for accurate diagnosis.

    Purpose of the Study:

    • To determine the frequency and prevalence of episternal ossicles.
    • To highlight their significance as a normal variant in chest CT scans.

    Main Methods:

    • Retrospective review of 800 chest computed tomographic (CT) scans.
    • Identification and classification of episternal ossicles (paired or unilateral).

    Main Results:

    • 12 cases of episternal ossicles were identified, representing a 1.5% overall frequency.
    • Prevalence was similar in men (1.4%) and women (1.7%).

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  • Eight cases showed paired ossicles, and four showed unilateral ossicles.

    • Conclusions:

    • Episternal ossicles are a common normal variant.
    • Radiologists should differentiate episternal ossicles from fracture fragments, sequestra, foreign bodies, calcified lymph nodes, or vascular calcifications.