Document Detail


Renal infarct: contrast-enhanced power Doppler sonographic findings.
MedLine Citation:
PMID:  11323779     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Power Doppler sonography (PDUS) is a promising technique for the diagnosis of renal infarcts. PDUS's efficacy may be enhanced by using sonographic contrast agents. We evaluated 3 cases of renal infarction using PDUS and the sonographic contrast agent Levovist. The findings were compared with those of other imaging modalities, such as scintigraphy, CT, and angiography. In case 1, PDUS showed a patent interlobar artery only in the lower part of the right kidney and no other perfusion of the right renal parenchyma. Contrast-enhanced PDUS showed patchy areas of preserved perfusion in the lower and middle-upper anterior portions of the kidney. In case 2, PDUS showed diffuse and patchy perfusion defects in the anterolateral portion of the right kidney. On contrast-enhanced PDUS, no signal enhancement was seen in these areas, but the perfusion defects were better delineated. In case 3, PDUS showed no perfusion in the upper pole of the kidney; the nonperfused area extended to the posterior upper portion of the kidney but could not be distinguished from normal tissue. After injection of the contrast agent, there was no enhancement of the posterior extension of the upper pole infarct, but Doppler signals from the surrounding normal parenchyma were enhanced, so the area was more clearly demarcated. The administration of the contrast agent facilitated the visualization of the infarcts in all 3 cases.
Authors:
C Yücel; H Ozdemir; S Akpek; K Gürel; L O Kapucu; M Araç
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Publication Detail:
Type:  Case Reports; Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of clinical ultrasound : JCU     Volume:  29     ISSN:  0091-2751     ISO Abbreviation:  J Clin Ultrasound     Publication Date:  2001 May 
Date Detail:
Created Date:  2001-04-27     Completed Date:  2001-07-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401663     Medline TA:  J Clin Ultrasound     Country:  United States    
Other Details:
Languages:  eng     Pagination:  237-42     Citation Subset:  IM    
Copyright Information:
Copyright 2001 John Wiley & Sons, Inc.
Affiliation:
Department of Radiology, Gazi University School of Medicine, Beşevler, 06510 Ankara, Turkey.
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MeSH Terms
Descriptor/Qualifier:
Angiography
Child
Contrast Media / administration & dosage
Diagnosis, Differential
Female
Humans
Infarction / ultrasonography*
Kidney / blood supply*
Male
Middle Aged
Radionuclide Imaging
Tomography, X-Ray Computed
Ultrasonography, Doppler / methods
Chemical
Reg. No./Substance:
0/Contrast Media

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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