Table 3.
Dose received by 95% of target volume vs. prescription dose and local failure patterns in primary recurrences stratified by dose >60 Gy vs. <60 Gy
Dose | Local failure pattern (n = 26) |
|||
---|---|---|---|---|
Within GTV/PTV | Within GTV/PTV and outward | Marginal miss (within PTV and outward) | Geographic miss (outside but within 1 cm of PTV) | |
D95 <60 Gy | 6 | 2 | 0 | 0 |
Dprescr <60 Gy | 6 | 2 | 0 | 0 |
D95 ≥60 Gy | 6 | 11 | 1 | 0 |
Dprescr ≥60 Gy | 6 | 11 | 1 | 0 |
Abbreviations: D95 = dose received by 95% of target volume; Dprescr = dose prescribed to 95% of target volume; other abbreviations as in Table 1.