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TRUS features of significant cancers.
| TRUS Features | Peripheral Cancer | Transition Cancer | ||
|---|---|---|---|---|
| Insignificant Cancer | Significant Cancer | Insignificant Cancer | Significant Cancer | |
| Echogenicity | Low | Lower | High | Higher |
| Size | Small | Large | Small | Large |
| Echotexture | Homogeneous | Heterogeneous | Homogeneous | Heterogeneous |
| Margin | Smooth | Irregular | Smooth | Irregular |
| Perfusion | Low | High | NA | NA |
| Hypoechoic rim | NA | NA | Clear | Unclear |
TRUS, transrectal ultrasound; NA, not applicable.
