Table 4.
The pre-operative planned 3D seed coordinates (TRUS) were compared to their corresponding post-operative locations computed from CT volumes. Significant seed migration due to edema can be observed.
| Comparison type | Error (mm) |
Norm (mm) |
||||
|---|---|---|---|---|---|---|
| X | Y | Z | Mean | STD | Max | |
| Pre-op TRUS to Day-0 Post-op CT (six patients) | 1.93 | 2.30 | 2.28 | 4.39 | 2.60 | 14.25 |
| Pre-op TRUS to Day-30 Post-op CT (six patients) | 2.07 | 2.19 | 2.55 | 4.56 | 2.78 | 17.47 |
| Day-0 Post-op CT to Day-30 Post-op CT (six patients) | 1.62 | 2.00 | 1.93 | 3.78 | 2.72 | 17.31 |