In this study the role of Power Doppler US in the detection ofvascularity
of solid breast masses and its predicitive power in differentiation of be
nign versus malignant lesions was evaluated. In this study the analysis
of mammographic, Gray scale US and Color/ Doppler US findings with
histopathological results in 128 breast masses revealed there were 37
cancer, 57 fibroadenoma, and 34 other benign lesions. By using the pres
ence of penetrating vessels as diagnostic criteria for malignancy, Power
Doppler US demonstrated diagnostic sensitivity of 68% and specificity of
95% .As regard the resistive index measurement (Rl) we found that a Rl
<0.8O is typical for benign breast condition, but also frequently occurs in
malignant lesions. A Rl> or - 0.80 can be an indicator of malignancy
with high specificity 196%) and sensitivity of f5696J. In conclusion Color
and Power Doppler sonography improves the specificity of diagnosis of
the majority of malignant nodules and allows a better definition of both
local and regional staging. |
