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Related Experiment Video

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Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis
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Imaging of Spondylodiscitis.

Meera Raghavan1, Elena Lazzeri2, Christopher J Palestro1

  • 1Department of Radiology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY.

Seminars in Nuclear Medicine
|February 18, 2018
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Summary

Spondylodiscitis diagnosis is challenging due to vague symptoms. Fluorine-18-fluorodeoxyglucose (18F-FDG) imaging is the preferred radionuclide test, outperforming older methods and showing promise for treatment response assessment.

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Area of Science:

  • Radiology
  • Nuclear Medicine
  • Infectious Disease Imaging

Background:

  • Spondylodiscitis, an infection of the spine, presents with nonspecific symptoms, complicating early diagnosis.
  • Prompt diagnosis and treatment are crucial to prevent morbidity and mortality associated with spinal infections.

Purpose of the Study:

  • To review and compare various imaging modalities for diagnosing spondylodiscitis.
  • To highlight the advantages of 18F-FDG imaging as the current radionuclide test of choice.

Main Methods:

  • Review of magnetic resonance imaging (MRI) and various radionuclide imaging techniques including bone scintigraphy, Gallium-67 citrate, Indium-111 biotin, and 18F-FDG.
  • Comparison of sensitivity, specificity, and utility in detecting infection and assessing treatment response.

Main Results:

  • MRI is sensitive and specific but less useful for treatment response evaluation.
  • 18F-FDG imaging demonstrates high sensitivity, a strong negative predictive value, and effectively differentiates infectious from degenerative endplate abnormalities.
  • 18F-FDG has shown superior performance compared to bone and Gallium-67 imaging and may aid in monitoring treatment.

Conclusions:

  • 18F-FDG imaging is the radionuclide modality of choice for spondylodiscitis diagnosis.
  • This technique offers advantages in speed, accuracy, and potential for treatment monitoring over conventional methods.