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Abstract

Sonographic Characterization of Carotid Plaque: Detection of Hemorrhage

E. I. Bluth, D. Kay, C. R. B. Merritt, M. Sullivan, G. Farr, N. L. Mills, M. Foreman, K. Sloan, M. Schlater and J. Stewart
American Journal of Neuroradiology March 1986, 7 (2) 311-315;
E. I. Bluth
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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D. Kay
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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C. R. B. Merritt
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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M. Sullivan
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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G. Farr
2Department of Pathology, Ochsner Clinic and Alton Ochsner Foundation, New Orleans, LA 70121
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N. L. Mills
3Department of Surgical Pathology and Vascular Surgery, Ochsner Clinic and Alton Ochsner Foundation, New Orleans, LA 70121
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M. Foreman
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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K. Sloan
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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M. Schlater
1Department of Radiology, Ochsner Clinic and Alton Ochsner Foundation, 1514 Jefferson Highway, New Orleans, LA 70121. Address reprint requests to E. I. Bluth
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J. Stewart
3Department of Surgical Pathology and Vascular Surgery, Ochsner Clinic and Alton Ochsner Foundation, New Orleans, LA 70121
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Abstract

By careful evaluation of the sonographic characteristics of carotid plaques, two patterns can be identified: (1) a homogeneous pattern containing uniform echoes corresponding to dense fibrous tissue and (2) a heterogeneous pattern containing mixed echoes and anechoic areas that represent intraplaque hemorrhage pathologically. A prospective study was conducted of 50 patients to determine the accuracy of identifying these different forms of plaque. The patients' carotid arteries were examined by a high-resolution duplex scanner before carotid endarterectomy. The plaques were evaluated carefully by vascular surgeons and pathologists for the presence of intraplaque hemorrhage. In this study, the accuracy of identifying the presence or absence of intraplaque hemorrhage with sonography was 90% (48 of 54); sensitivity, 94% (17 of 18); and specificity, 88% (27 of 31). High-resolution sonography appears to be an accurate means of identifying intraplaque hemorrhage and may ultimately be useful in identifying patients at risk for embolic disease.

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American Journal of Neuroradiology
Vol. 7, Issue 2
1 Mar 1986
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Cite this article
E. I. Bluth, D. Kay, C. R. B. Merritt, M. Sullivan, G. Farr, N. L. Mills, M. Foreman, K. Sloan, M. Schlater, J. Stewart
Sonographic Characterization of Carotid Plaque: Detection of Hemorrhage
American Journal of Neuroradiology Mar 1986, 7 (2) 311-315;

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Sonographic Characterization of Carotid Plaque: Detection of Hemorrhage
E. I. Bluth, D. Kay, C. R. B. Merritt, M. Sullivan, G. Farr, N. L. Mills, M. Foreman, K. Sloan, M. Schlater, J. Stewart
American Journal of Neuroradiology Mar 1986, 7 (2) 311-315;
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