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Related Experiment Videos

Shoulder impingement syndrome: radiographic evaluation.

R O Cone, D Resnick, L Danzig

    Radiology
    |January 1, 1984
    PubMed
    Summary

    Shoulder impingement syndrome causes pain when arm abduction leads to bony and soft-tissue encroachment. Radiographic signs and advanced imaging are key for diagnosing this common shoulder disorder.

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    Area of Science:

    • Orthopedics
    • Sports Medicine
    • Radiology

    Background:

    • Shoulder impingement syndrome is a frequent cause of shoulder pain.
    • It involves the encroachment of shoulder structures on the coracoacromial arch during arm abduction.
    • Associated conditions include subacromial bursitis, bicipital tendinitis, and rotator cuff tears.

    Purpose of the Study:

    • To describe the pathophysiology of shoulder impingement syndrome.
    • To identify key plain radiographic signs.
    • To outline essential diagnostic imaging modalities.

    Main Methods:

    • Review of anatomical structures and biomechanics of shoulder abduction.
    • Analysis of plain radiographic findings.
    • Discussion of advanced imaging techniques such as fluoroscopy, arthrography, bursography, and bursotomography.

    Main Results:

    • Impingement occurs due to superior shoulder structures encroaching on the coracoacromial arch.
    • Radiographic signs include acromial bony excrescences and greater tuberosity changes (flattening, sclerosis).
    • Various imaging modalities are crucial for diagnosis.

    Conclusions:

    • Shoulder impingement syndrome is a significant source of shoulder pain.
    • Specific radiographic features are indicative of the condition.
    • A combination of imaging techniques aids in definitive diagnosis and management planning.

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