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Related Experiment Videos

[Developmental spondylolysis].

B Maldague, J Malghem

    Journal De Radiologie
    |April 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Early spondylolysis, a stress fracture in the spine, often goes undetected in adolescents. Recognizing specific radiological signs can help identify these developing defects, which may still be treatable.

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    Area of Science:

    • Orthopedics
    • Radiology
    • Sports Medicine

    Background:

    • Spondylolysis, a stress fracture of the pars interarticularis, is typically acquired in youth but early stages are rarely documented.
    • Delayed radiological detection in the lumbar spine and the nature of stress lesions hinder early diagnosis.
    • Clinicians often encounter inactive, old pars separations, making the healing of early spondylolysis uncommon.

    Purpose of the Study:

    • To describe and emphasize two key radiological patterns indicative of developing spondylolysis.
    • To highlight the potential for healing in early-stage spondylolysis, particularly in adolescent athletes.
    • To improve the diagnostic yield of imaging for low back pain in young, active individuals.

    Main Methods:

    • Observation of 20 patients with developing spondylolysis, including primary cases and contralateral defects.

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  • Analysis of radiological findings, focusing on stress sclerosis and partial pars cracks.
  • Review of 7 adolescent cases with healing bilateral defects (L4 or L5) of recent origin.

    • Main Results:

    • Two patterns of developing spondylolysis were identified: isolated stress sclerosis and partial isthmic cracks.
    • Developing defects were seen in 5 primary spondylolysis cases and 15 cases of contralateral pars defect formation.
    • Healing of recent bilateral defects was observed in 7 adolescent patients (ages 8-16).

    Conclusions:

    • Early spondylolysis detection requires attention to subtle radiological signs beyond routine views.
    • Adolescents with athletic-related low back pain may have developing spondylolysis even with normal initial X-rays.
    • Prompt and careful radiological assessment can identify early, potentially healing spondylolysis.