Table 1
Comparison of Ultrasound Techniques for Detection of Prostate Cancer
| Spatial | Temporal | Sensitivity | Imaging | Blooming | Flash | |
|---|---|---|---|---|---|---|
| Resolution | Resolution | to Flow | Neovessels | Artifact | Artifact | |
| Conventional gray scale | +++ | +++ | − | − | − | − |
| Color Doppler | + | + | + | − | ++ | ++ |
| Power Doppler | + | + | + | − | ++ | ++ |
| Harmonic gray scale with microbubbles | +++ | +++ | +++ | +++ | − | − |
| Color Doppler with microbubbles | + | + | +++ | ++ | +++ | ++ |
| Power Doppler with microbubbles | + | + | +++ | ++ | +++ | ++ |
Symbols represent a scale where “ −” equals none/poor and “+++” equals greatly increased/optimal.

