Why the study?
Does power Doppler ultrasonography provide superior imaging characteristics compared to color Doppler imaging?
Population
A standard nonflow-containing US phantom, a normal right kidney, and a torsive and normal contralateral testis
Comparison
Power Doppler (PD) ultrasonography vs Mean frequency-based color Doppler ultrasonography
Design
Other
Authors
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May enhance low-flow vascular detection on ultrasound; leaves open prospective validation of diagnostic impact.
Does power Doppler ultrasonography provide superior imaging characteristics compared to color Doppler imaging?
Power Doppler is a new color Doppler imaging mode that does not alias, is relatively angle independent, and increases usable dynamic range, potentially offering superior sensitivity.
Rubin et al. (1994) studied this question.
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