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American Journal of Roentgenology, Vol 168, 1227-1231, Copyright © 1997 by American Roentgen Ray Society

ARTICLES

Renal hypoperfusion: value of power Doppler imaging

T Clautice-Engle and RB Jeffrey Jr
Department of Radiology, Stanford University Medical Center, CA 94305, USA.

The improved depiction of renal parenchymal vascularity with power Doppler imaging facilitates the sonographic detection of hypovascular lesions such as pyelonephritis, renal abscesses, and infarction. However, the finding of diminished or absent lobar perfusion may be present in all of these entities; thus, the abnormalities shown on power Doppler imaging are often nonspecific. Clinical and laboratory data are often essential to establish the correct diagnoses. Contrast- enhanced CT remains useful for distinguishing these various disorders.
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Copyright © 1997 by the American Roentgen Ray Society.