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Phylogeny and the herniated disc.

R E Wigh

    Southern Medical Journal
    |September 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Accurate spinal level identification using phylogenic classification is crucial. Errors in identifying vertebral levels in patients with spinal anomalies highlight the necessity of preoperative landmarking.

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    Area of Science:

    • Anatomy
    • Radiology
    • Orthopedics

    Background:

    • Accurate anatomical localization of spinal structures is essential for diagnosis and treatment.
    • Phylogenic classification offers a precise method for identifying vertebral and disc levels.
    • Junctional anomalies in the spine can complicate level identification.

    Observation:

    • A phylogenic classification system was used to precisely identify spinal levels.
    • Comparisons were made between myelographic reports, extradural deformities, and surgical records.
    • The study analyzed 100 patients, with 33 exhibiting phylogenic or junctional variations.

    Findings:

    • Among 33 patients with spinal anomalies, 18 identification errors occurred.
    • Four entries were recorded at incorrect spinal levels.

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  • The precision of phylogenic classification was tested against clinical data.

    • Implications:

    • Phylogenic classification aids in accurate identification of spinal levels, even with anomalies.
    • Discrepancies in reported and actual levels underscore potential diagnostic and surgical errors.
    • Preoperative landmarking is essential to prevent misidentification of spinal levels.