 |
| (a) |
 |
| (b) |
 |
| (c) |
Edge artifact caused by bladder encrustation. (a) Transverse US image of the bladder (midline view) shows extensive bladder wall calcification (arrows). (b) Power Doppler US image demonstrates signal along the edges of the calcification. (c) Doppler spectrum fails to show any evidence of flow in the affected region.
