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Epidural abscess other imaging findings

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]; Anthony Gallo, B.S. [3]

Overview

Overview

X ray is likely not helpful in the diagnosis of epidural abscess. Myelography may be helpful in the diagnosis of epidural abscess, however it is now considered obsolete.

Other Imaging Findings

Other Imaging Findings

X Ray

X ray is likely not helpful in the diagnosis of epidural abscess. Findings on x ray suggestive of spinal epidural abscess include narrowing of the disk and bone lysis to indicate the presence of discitis and osteomyelitis.[1][2] X ray is useful in evaluating possible skull fractures, osteomyelitis lesions, discitis, or foreign bodies lodged in the skull or spine, which may be the source of the infection.[3] In 30% of patients with epidural abscess, radiography demonstrated some abnormality, often presenting degenerative changes, vertebral end-plate destruction, or narrowing of the intervertebral disc space.[4]

Intervertebral narrowing at the level of L5-S1, with concomitant sclerosis of vertebral plateau[5]


























Myelography

Myelography may be helpful in the diagnosis of epidural abscess. However, the invasiveness of this technique and possible complications give more relevance to the MRI.[6]

References

References

  1. Darouiche RO (2006). “Spinal epidural abscess”. The New England Journal of Medicine. 355 (19): 2012–20. doi:10.1056/NEJMra055111. PMID 17093252.
  2. Spinal Epidural Abscess. Radiopaedia.org (2015). http://radiopaedia.org/articles/spinal-epidural-abscess Accessed on November 20, 2015
  3. Hendaus, Mohammed A. (2013). “Subdural Empyema in Children”. Global Journal of Health Science. 5 (6). doi:10.5539/gjhs.v5n6p54. ISSN 1916-9744.
  4. Maslen DR, Jones SR, Crislip MA, Bracis R, Dworkin RJ, Flemming JE (1993). “Spinal epidural abscess. Optimizing patient care”. Arch Intern Med. 153 (14): 1713–21. PMID 8333809.
  5. Image courtesy of Dr Maxime St-Amant. Radiopaedia (original file “here”). Creative Commons BY-SA-NC
  6. Grewal, S. (2006). “Epidural abscesses”. British Journal of Anaesthesia. 96 (3): 292–302. doi:10.1093/bja/ael006. ISSN 0007-0912.

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