الفهرس 
INTRODUCTION AND AIM OF THE WORKOnly 14 pages are availabe for public view
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Abstract
• INTRODlJCTON:
- Ultrasonobrraphy is sensitive for detection and localization
of a renal mass, yet, it can’t characterize it.
(Platt et al.; 1992)
- Doppler Ultrasonography is a useful tool to assess renal
mass vascularity, with the Color Doppler Teclmique the
US diagnostic accuracy is increased.
(Maresca et al.; 1995)
- Doppler study is recommended whenever a renal mass is
encountered during sonography, since this will add only
a few minutes to the patient’s study and enables further
characterization of the mass.
(Kier et al; 1990)
• AIM OF THE WORK:
is to evaluate the role of Color Doppler
Ultrasonography in the characterization of renal masses
and to throw light on its diagnostic value.