CT-guided biopsy in suspected spondylodiscitis: the association of paravertebral inflammation with microbial pathogen detection
Objectives To search for imaging characteristics distinguishing patients with successful from those with futile microbiological pathogen detection by CT-guided biopsy in suspected spondylodiscitis. Methods 34 consecutive patients with suspected spondylodiscitis underwent CT-guided biopsy for pathoge...
Gespeichert in:
| Hauptverfasser: | , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
January 4, 2016
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| In: |
PLOS ONE
Year: 2016, Jahrgang: 11, Heft: 1 |
| ISSN: | 1932-6203 |
| DOI: | 10.1371/journal.pone.0146399 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1371/journal.pone.0146399 Verlag, lizenzpflichtig, Volltext: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0146399 
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| Verfasserangaben: | Daniel Spira, Thomas Germann, Burkhard Lehner, Stefan Hemmer, Michael Akbar, Jessica Jesser, Marc-André Weber, Christoph Rehnitz |
MARC
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| 245 | 1 | 0 | |a CT-guided biopsy in suspected spondylodiscitis |b the association of paravertebral inflammation with microbial pathogen detection |c Daniel Spira, Thomas Germann, Burkhard Lehner, Stefan Hemmer, Michael Akbar, Jessica Jesser, Marc-André Weber, Christoph Rehnitz |
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| 520 | |a Objectives To search for imaging characteristics distinguishing patients with successful from those with futile microbiological pathogen detection by CT-guided biopsy in suspected spondylodiscitis. Methods 34 consecutive patients with suspected spondylodiscitis underwent CT-guided biopsy for pathogen detection. MR-images were assessed for inflammatory infiltration of disks, adjacent vertebrae, epidural and paravertebral space. CT-images were reviewed for arrosion of adjacent end plates and reduced disk height. Biopsy samples were sent for microbiological examination in 34/34 patients, and for additional histological analysis in 28/34 patients. Results Paravertebral infiltration was present in all 10/10 patients with positive microbiology and occurred in only 12/24 patients with negative microbiology, resulting in a sensitivity of 100% and a specificity of 50% for pathogen detection. Despite its limited sensitivities, epidural infiltration and paravertebral abscesses showed considerably higher specificities of 83.3% and 90.9%, respectively. Paravertebral infiltration was more extensive in patients with positive as compared to negative microbiology (p = 0.002). Even though sensitivities for pathogen detection were also high in case of vertebral and disk infiltration, or end plate arrosion, specificities remained below 10%. Conclusions Inflammatory infiltration of the paravertebral space indicated successful pathogen detection by CT-guided biopsy. Specificity was increased by the additional occurrence of epidural infiltration or paravertebral abscesses. | ||
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| 650 | 4 | |a Magnetic resonance imaging | |
| 650 | 4 | |a Microbiology | |
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