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Occult infections causing persistent low-back pain.

L Schofferman1, J Schofferman, J Zucherman

  • 1SpineCare Medical Group, Daly City, California.

Spine
|April 1, 1989
PubMed
Summary
This summary is machine-generated.

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Occult lumbar spine infections from indolent organisms can cause persistent back pain. Diagnosis is challenging as typical infection markers and imaging are often unreliable, requiring a comprehensive clinical approach.

Area of Science:

  • Infectious Diseases
  • Orthopedic Surgery
  • Diagnostic Imaging

Background:

  • Occult spinal infections present diagnostic challenges due to atypical presentations.
  • Standard indicators of spinal infection are frequently unreliable in these cases.
  • Indolent organisms can lead to persistent back pain that is difficult to diagnose.

Purpose of the Study:

  • To describe the clinical characteristics and diagnostic challenges of occult lumbar spine infections.
  • To highlight the limitations of conventional diagnostic methods in identifying these infections.
  • To emphasize the importance of a multimodal diagnostic strategy.

Main Methods:

  • Retrospective case series of nine patients with occult lumbar spine infections.
  • Analysis of clinical presentation, surgical findings, microbiological cultures, and treatment response.

Related Experiment Videos

  • Review of laboratory results (Westergren sedimentation rate, white blood cell count) and imaging studies (CT, MRI, gallium scan).

    • Main Results:

    • Nine patients presented with occult lumbar spine infections, with two having no prior surgery or wounds.
    • Predominant organisms identified were diptheroids and coagulase-negative staphylococci.
    • Seven of nine patients had normal Westergren sedimentation rates, and six of nine had normal white blood cell counts.
    • Most imaging studies were negative, with only two positive CT scans, one positive gallium scan, and one positive MRI scan.
    • Infections often extended beyond or did not involve the disc space.

    Conclusions:

    • Occult lumbar spine infections require a high index of suspicion, especially when typical infection markers are absent.
    • Diagnosis relies on integrating clinical course, surgical pathology, cultures, and treatment response.
    • Advanced imaging and laboratory tests may be inconclusive, necessitating a thorough clinical evaluation.