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Research ArticleExtracranial Vascular

Carotid Artery Plaque Classification: Does Contrast Enhancement Play a Significant Role?

L. Saba, M. Piga, E. Raz, D. Farina and R. Montisci
American Journal of Neuroradiology October 2012, 33 (9) 1814-1817; DOI: https://doi.org/10.3174/ajnr.A3073
L. Saba
aFrom the Departments of Radiology (L.S., D.F.)
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M. Piga
bNuclear Medicine (M.P.)
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E. Raz
dDepartment of Radiology (E.R.), New York University Langone Medical Center, New York, New York.
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D. Farina
aFrom the Departments of Radiology (L.S., D.F.)
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R. Montisci
cVascular Surgery (R.M.), Azienda Ospedaliero Universitaria, Cagliari, Italy
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Figures

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    Fig 1.

    Plaque analysis. In panel A, the basal phase is given, whereas panel B is the phase after administration of contrast material. The white arrows indicate the carotid artery plaque, whereas the red circle is the region of interest.

  • Fig 2.
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    Fig 2.

    Scatterplots with regression lines (A, B) that show the effect of contrast material administration in plaque classification. In panel A, the analysis of HU values before and after administration of contrast material in the 206 plaques that showed <60 HU in the unenhanced acquisition is given, whereas in panel B, the analysis of HU values before and after administration of contrast material in all the 607 plaques is given.

  • Fig 3.
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    Fig 3.

    Comparison of the CPE between fatty plaques that did not change after CM and fatty plaques that changed their type to mixed after CM administration.

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American Journal of Neuroradiology: 33 (9)
American Journal of Neuroradiology
Vol. 33, Issue 9
1 Oct 2012
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Carotid Artery Plaque Classification: Does Contrast Enhancement Play a Significant Role?
L. Saba, M. Piga, E. Raz, D. Farina, R. Montisci
American Journal of Neuroradiology Oct 2012, 33 (9) 1814-1817; DOI: 10.3174/ajnr.A3073

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Carotid Artery Plaque Classification: Does Contrast Enhancement Play a Significant Role?
L. Saba, M. Piga, E. Raz, D. Farina, R. Montisci
American Journal of Neuroradiology Oct 2012, 33 (9) 1814-1817; DOI: 10.3174/ajnr.A3073
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Cited By...

  • Carotid Artery Wall Imaging: Perspective and Guidelines from the ASNR Vessel Wall Imaging Study Group and Expert Consensus Recommendations of the American Society of Neuroradiology
  • CT Attenuation Analysis of Carotid Intraplaque Hemorrhage
  • Correlation between Fissured Fibrous Cap and Contrast Enhancement: Preliminary Results with the Use of CTA and Histologic Validation
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More in this TOC Section

  • Reassessing the Carotid Artery Plaque “Rim Sign” on CTA: A New Analysis with Histopathologic Confirmation
  • Characterization of Restenosis following Carotid Endarterectomy Using Contrast-Enhanced Vessel Wall MR Imaging
  • Proximal Region of Carotid Atherosclerotic Plaque Shows More Intraplaque Hemorrhage: The Plaque at Risk Study
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