Table 2.
Dosimetric Characteristics of Patients and Respective Lesions with Radionecrosis
| Patient | Target Volume (cc) |
Prescription Dose (cGy) |
Number of Fractions |
Prescription Isodose Line (%) |
Maximum Point Dose (cGy) |
PTV Margin (mm) |
Dose of Prior Whole Brain RT (cGy) |
Total SRS Courses |
|---|---|---|---|---|---|---|---|---|
| 1 | 1.09 | 2,400 | 1 | 80 | 3192 | 0 | 0 | 4 |
| 2 | 0.55 | 200 | 1 | 80 | 2660 | 0 | 0 | 4 |
| 6.93 | 2,500 | 5 | 88 | 2921 | 1 | 0 | 4 | |
| 3 | 6.65 | 1,800 | 1 | 64 | 2880 | 0 | 0 | 2 |
| 4 | 41.55 | 2,000 | 5 | 81 | 2634 | 5 | 2000 | 3 |
| 5 | 0.77 | 2,000 | 1 | 77 | 2707 | 0 | 3500 | 1 |
| 0.51 | 2,000 | 1 | 77 | 2707 | 0 | 3500 | 1 | |
| 0.70 | 2,000 | 1 | 77 | 2630 | 0 | 3500 | 1 | |
| 0.42 | 2,000 | 1 | 77 | 2630 | 0 | 3500 | 1 | |
| 6 | 0.89 | 2,000 | 1 | 60 | 3380 | 0 | 0 | 5 |
| 7 | 4.77 | 2,000 | 1 | 60 | 3072 | 0 | 0 | 3 |
| 0.49 | 2,000 | 1 | 80 | 2580 | 0 | 0 | 3 | |
| 1.51 | 2,000 | 1 | 60 | 3400 | 0 | 0 | 3 | |
| 8 | 0.20 | 2,000 | 1 | 80 | 2600 | 0 | 3000 | 1 |
| 9 | 20.93 | 2,400 | 3 | 73 | 3370 | 2 | 0 | 3 |
| 10 | 0.09 | 1,800 | 1 | 80 | 2380 | 0 | 0 | 1 |
| 0.16 | 2,000 | 1 | 80 | 2740 | 0 | 0 | 1 | |
| 0.22 | 2,000 | 1 | 80 | 2780 | 0 | 0 | 1 | |
| 0.24 | 2,000 | 1 | 80 | 2380 | 0 | 0 | 1 |