Table 3 Patterns of Treatment Failure for Patients with Skull-base Invasion after IMRT
Treatment Failure Pattern | LSBI group (N = 185) | ESBI group (N = 284) | P |
|---|---|---|---|
Distant only | 12 (6.5) | 34 (12.0) | 0.051 |
Bone | 3 (1.6) | 9 (3.2) | |
Liver | 3 (1.6) | 9 (3.2) | |
Lung | 5 (2.7) | 11 (3.9) | |
Bone and liver | 0 | 1 (0.4) | |
Bone and lung | 1 (0.5) | 2 (0.7) | |
Lung and liver | 0 | 1 (0.4) | |
Other | 0 | 1a(0.4) | |
Regional and distant | 4 (2.2) | 4 (1.4) | |
Local and distant | 2 (1.1) | 3 (1.1) | |
Local, regional, and distant | 0 | 1 (0.4) | |
Local only | 6 (3.2) | 18 (6.3) | |
Regional only | 6 (3.2) | 12 (4.2) | |
Local and regional | 3 (1.6) | 2 (0.7) | |
Total | 33 (17.8) | 74 (26.1) | 0.038 |