Table 4. Postoperative major local complications according to RT, CRT, or particle therapy.
| Factor | No. of patients | Major local complications | Details |
|---|---|---|---|
| Radiotherapy | 18 | 9 | |
| <60 Gy | 7 | 4 | Meningitis 1, epidural abscess 2, and partial flap necrosis 2 |
| ≧60 Gy | 11 | 5 | CSF leakage 2,meningitis 1, epidural abscess 2, and unresectable dura for calcification 1 |
| Particle radiotherapy | 4 | 2 | |
| Proton | 3 | 2 | Encephalitis 1, meningitis 1, CSF leakage 1, and epidural abscess 2 |
| Carbon | 1 | 0 |
Abbreviation: CSF, cerebrospinal leakage; RT, radiotherapy; CRT, chemoradiotherapy.