Table 5.
Radiation-related treatment complications ≥ Grade 3.
| TYPE | GRADE | TREATMENT | TIME COURSE | COMMENT |
|---|---|---|---|---|
| ACUTE | ||||
| Insufficiency fracture, contralateral sacrum | 3 | R0 surgery, 70.2 GyRBE for sacral chordoma | 1 month after surgery and 19.8 Gy preop XRT | Patient fell and fractured uninvolved sacrum. |
| Resolved without surgery or late sequelae | ||||
| LATE | ||||
| Sacral neuropathy | 3 | Bx, 77.4 GyRBE for 5.5 cm sacral chordoma | 5.5 years after XRT | Unilateral leg weakness, stress urinary incontinence, poor rectal tone |
| Sacral neuropathy | 3 | R2 resection, 77.4 GyRBE for 10.5 cm sacral chordoma | 4 years after XRT | Unilateral leg weakness; also received 18Gy IMRT + 27 GyRBE protons after simple hysterectomy for cervix cancer 2.5 years after protocol Rx |
| Erectile dysfunction | 3 | Bx, 77.4 GyRBE for 8.4 cm sacral chordoma | 3 years after XRT | Patient age 66 at time of XRT. |
| Not responsive to sildenafil | ||||
| Contralateral sacral insufficiency fracture | 3 | R2 resection, 77.4 GyRBE for 6.2 cm sacral chondrosarcoma | 4 months after treatment | Patient fell and fractured uninvolved sacrum. |
| Managed by screw fixation. | ||||
| Rectal bleed | 3 | R0 resection and 70.2 GyRBE for 4.5 cm sacral chordoma | 10 months after treatment | Required transfusion and fulguration. |
| History of prior pelvic surgeries (hysterectomy, endometriosis, bowel obstruction). | ||||