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Related Experiment Videos

Backache and the lumbar spinal canal.

R W Porter, C Hibbert, P Wellman

    Spine
    |March 1, 1980
    PubMed
    Summary

    This study measured lumbar spinal canal size using ultrasound in over 700 individuals. Larger canal size is linked to neurogenic claudication and disc issues, but not root entrapment syndrome.

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    Health technology assessment (Winchester, England)·2010

    Area of Science:

    • Radiology
    • Orthopedics
    • Anatomy

    Background:

    • The lumbar spinal canal's dimensions vary throughout life.
    • Understanding normal variations is crucial for diagnosing spinal conditions.

    Purpose of the Study:

    • To measure lumbar spinal canal dimensions across a wide age range using diagnostic ultrasound.
    • To correlate spinal canal size with specific back pain conditions.

    Main Methods:

    • Diagnostic ultrasound measurements of the lumbar spinal canal.
    • Inclusion of over 700 subjects from infancy to 65 years.
    • Comparison with patients experiencing back pain, disc symptoms, root entrapment, and neurogenic claudication.

    Main Results:

    • Lumbar spinal canal diameter is widest in late teens and slightly decreases in adulthood.
    • Canal size does not appear to be occupation-related.
    • Central canal size is significant in neurogenic claudication and disc symptoms, less so in root entrapment syndrome.

    Conclusions:

    • Diagnostic ultrasound provides a reliable method for assessing lumbar spinal canal dimensions.
    • Lumbar spinal canal size is a relevant factor in specific spinal pathologies, particularly neurogenic claudication and disc-related pain.

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