Spinal Epidural Abscess Workup

  • Author: J Stephen Huff, MD; Chief Editor: Karen L Roos, MD   more...
 
Updated: May 7, 2012
 

Laboratory Studies

  • CBC count, blood cultures, and preoperative lab studies. Leukocytosis is present in about two thirds of patients.[1]
  • Elevated erythrocyte sedimentation rate (ESR): In one report, the mean ESR was 51 mm/h.[11] ESR may be highly elevated.
  • Leukocytosis and ESR elevation are nonspecific laboratory findings and are not invariably present. Neither the presence of these findings nor the degree of laboratory abnormality is specific for spinal epidural abscess.[1]
  • A treatment guideline incorporating ESR, C-reactive protein, and other risk factors has been proposed based on a small patient series.[12]
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Imaging Studies

  • Immediate imaging of the spine and spinal cord is imperative when the diagnosis is clinically suspected.
  • If available, spinal MRI is the procedure of choice. Recall that symptoms are often defined by spinal cord level, while MRI is ordered by regional or vertebral levels. Because abscesses frequently extend for several levels, be certain to order the anatomically correct region.
  • If MRI is unavailable, CT myelography or conventional myelography can reveal an intraspinal extramedullary mass—a "surgical" lesion.
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Other Tests

Lumbar puncture (LP) is relatively contraindicated if spinal epidural abscess is suspected. However, LP may be essential to exclude meningitis from the differential diagnosis. Lumbar puncture runs the risk of introducing purulent material into the subarachnoid space. Some advocate slowly advancing the needle with gentle syringe aspiration if spinal epidural abscess is suspected; if purulent material is encountered, it should be aspirated gently to obtain laboratory specimens, and the needle should not be advanced further.

  • Cerebrospinal fluid (CSF) may show inflammatory cells, often a mixture of polymorphonuclear and mononuclear cells. Cell counts usually are increased, ranging from 10-1000 leukocytes/µL.
  • CSF protein usually is elevated above 100 mg/dL but may be higher, particularly if spinal block is present.
  • CSF glucose is usually normal; depression may indicate coexisting meningitis.
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Contributor Information and Disclosures
Author

J Stephen Huff, MD  Associate Professor of Emergency Medicine and Neurology, Department of Emergency Medicine, University of Virginia School of Medicine

J Stephen Huff, MD is a member of the following medical societies: American Academy of Emergency Medicine, American Academy of Neurology, American College of Emergency Physicians, and Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

Specialty Editor Board

Edward L Hogan, MD  Professor, Department of Neurology, Medical College of Georgia; Emeritus Professor and Chair, Department of Neurology, Medical University of South Carolina

Edward L Hogan, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Neurology, American Neurological Association, American Society for Biochemistry and Molecular Biology, Phi Beta Kappa, Sigma Xi, Society for Neuroscience, and Southern Clinical Neurological Society

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD  Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Salary Employment

Florian P Thomas, MD, MA, PhD, Drmed  Director, Regional MS Center of Excellence, St Louis Veterans Affairs Medical Center; Director, National MS Society Multiple Sclerosis Center; Director, Neuropathy Association Center of Excellence, Professor, Department of Neurology and Psychiatry, Associate Professor, Institute for Molecular Virology, St Louis University School of Medicine

Florian P Thomas, MD, MA, PhD, Drmed is a member of the following medical societies: American Academy of Neurology, American Neurological Association, American Paraplegia Society, Consortium of Multiple Sclerosis Centers, National Multiple Sclerosis Society, and Sigma Xi

Disclosure: Nothing to disclose.

Chief Editor

Karen L Roos, MD  John and Nancy Nelson Professor of Neurology, Professor of Neurological Surgery, Department of Neurology, Indiana University School of Medicine

Karen L Roos, MD is a member of the following medical societies: American Academy of Neurology and American Neurological Association

Disclosure: Nothing to disclose.

References

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  2. Bremer AA, Darouiche RO. Spinal epidural abscess presenting as intra-abdominal pathology: a case report and literature review. J Emerg Med. Jan 2004;26(1):51-6. [Medline].

  3. Rigamonti D, Liem L, Sampath P, et al. Spinal epidural abscess: contemporary trends in etiology, evaluation, and management. Surg Neurol. Aug 1999;52(2):189-96; discussion 197. [Medline].

  4. Karikari IO, Powers CJ, Reynolds RM, Mehta AI, Isaacs RE. Management of a spontaneous spinal epidural abscess: a single-center 10-year experience. Neurosurgery. Nov 2009;65(5):919-23; discussion 923-4. [Medline].

  5. Joshi SM, Hatfield RH, Martin J, Taylor W. Spinal epidural abscess: a diagnostic challenge. Br J Neurosurg. Apr 2003;17(2):160-3. [Medline].

  6. Prendergast H, Jerrard D, O'Connell J. Atypical presentations of epidural abscess in intravenous drug abusers. Am J Emerg Med. Mar 1997;15(2):158-60. [Medline].

  7. Davis DP, Wold RM, Patel RJ, et al. The clinical presentation and impact of diagnostic delays on emergency department patients with spinal epidural abscess. J Emerg Med. Apr 2004;26(3):285-91. [Medline].

  8. Trombly R, Guest JD. Acute central cord syndrome arising from a cervical epidural abscess: case report. Neurosurgery. Aug 2007;61(2):E424-5; discussion E425. [Medline].

  9. Dugas AF, Lucas JM, Edlow JA. Diagnosis of spinal cord compression in nontrauma patients in the emergency department. Acad Emerg Med. Jul 2011;18(7):719-25. [Medline].

  10. Tasher D, Armarnik E, Mizrahi A, Liat BS, Constantini S, Grisaru-Soen G. Cat Scratch Disease With Cervical Vertebral Osteomyelitis and Spinal Epidural Abscess. Pediatr Infect Dis J. Jul 31 2009;[Medline].

  11. Mehta SH, Shih R. Cervical epidural abscess associated with massively elevated erythrocyte sedimentation rate. J Emerg Med. Jan 2004;26(1):107-9. [Medline].

  12. Davis DP, Salazar A, Chan TC, Vilke GM. Prospective evaluation of a clinical decision guideline to diagnose spinal epidural abscess in patients who present to the emergency department with spine pain. J Neurosurg Spine. Jun 2011;14(6):765-70. [Medline].

  13. Siddiq F, Chowfin A, Tight R, et al. Medical vs surgical management of spinal epidural abscess. Arch Intern Med. Dec 13-27 2004;164(22):2409-12. [Medline].

  14. Pradilla G, Ardila GP, Hsu W, Rigamonti D. Epidural abscesses of the CNS. Lancet Neurol. Mar 2009;8(3):292-300. [Medline].

  15. Pereira CE, Lynch JC. Spinal epidural abscess: an analysis of 24 cases. Surg Neurol. 2005;63 Suppl 1:S26-9. [Medline].

  16. Bluman EM, Palumbo MA, Lucas PR. Spinal epidural abscess in adults. J Am Acad Orthop Surg. May-Jun 2004;12(3):155-63. [Medline].

  17. Butler KH. Spinal epidural abscess: Current diagnostic and management protocols. Emerg Med Rep. 21:95-104.

  18. Gerberding JL, Romero JM, Ferraro MJ. Case records of the Massachusetts General Hospital. Case 34-2008. A 58-year-old woman with neck pain and fever. N Engl J Med. Oct 30 2008;359(18):1942-9. [Medline].

  19. Grewal S, Hocking G, Wildsmith JA. Epidural abscesses. Br J Anaesth. Mar 2006;96(3):292-302. [Medline].

  20. Hooten WM, Kinney MO, Huntoon MA. Epidural abscess and meningitis after epidural corticosteroid injection. Mayo Clin Proc. May 2004;79(5):682-6. [Medline].

  21. Tessman PA, Preston DC, Shapiro BE. Spinal epidural abscess in an afebrile patient. Arch Neurol. Apr 2004;61(4):590-1. [Medline].

  22. Tompkins M, Panuncialman I, Lucas P, Palumbo M. Spinal epidural abscess. J Emerg Med. Sep 2010;39(3):384-90. [Medline].

  23. Uchida K, Nakajima H, Yayama T, Sato R, Kobayashi S, Chen KB, et al. Epidural abscess associated with pyogenic spondylodiscitis of the lumbar spine; evaluation of a new MRI staging classification and imaging findings as indicators of surgical management: a retrospective study of 37 patients. Arch Orthop Trauma Surg. Jun 30 2009;[Medline].

 
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Cervical epidural abscess with spinal cord compression and spinal cord edema.
Spinal epidural abscess lumbar area.
 
 
 
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