Table 2. Characteristics of patients with tumors of known origin.
| No. | Age | Sex | Level of paralysis | Initialsymptom | Durationfrom initial symptomto paralysis(months) | Tokuhashi’sscore | Surgicalstrategy | Operativetime(min) | Estimatedblood loss (ML) | Perioperative complications | Primarydiagnosis | Survivalperiod(months) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 51 | F | T9 | Back pain | 0 | 9 | PF | 201 | 235 | - | Thyroid cancer | 14 |
| 2 | 57 | F | T10 | Back pain | 5 | 1 | 175 | 200 | - | Lung cancer | 9 | |
| 3 | 48 | M | T3 | Numbness of the leg | 0 | 4 | 206 | 130 | - | Lung cancer | 8 | |
| 4 | 26 | M | T9 | Back pain | 0.5 | 7 | PD | 147 | 100 | - | Testis cancer | 30 |
| 5 | 65 | F | T1 | Para paralysis | 0 | 8 | PF | 355 | 430 | - | Thyroid cancer | 9 |
| 6 | 74 | F | T4 | Back pain | 1 | 7 | 237 | 350 | - | Breast cancer | 13 | |
| 7 | 57 | M | T5 | Back pain | 1.5 | 8 | 257 | 190 | - | Thyroid cancer | 7 | |
| 8 | 66 | M | T7 | Gaitdisturbance | 0 | 5 | PF | 264 | 600 | - | Lung cancer | 6 |
| 9 | 62 | F | T10 | Back pain | 0.5 | 7 | 339 | 384 | - | Cervical cancer | 5 | |
| 10 | 71 | F | T7 | Gaitdisturbance | 0 | 6 | 227 | 92 | - | Malignant melanoma | 2 | |
| 11 | 42 | M | C3 | Neck pan | 1 | 7 | 428 | 345 | Urinary tract infection | Adenoid cystic carcinoma | 5 | |
| 12 | 39 | F | T3 | Back pain | 2 | 4 | 379 | 4,100 | - | Angiosarcoma of the breast | 2 | |
| 13 | 82 | F | T5 | Back pain | 1 | 8 | PD | 195 | 690 | - | Breast cancer | 15 |
| 14 | 64 | M | T3 | Back pain | 7 | 3 | 232 | 690 | Surgical site infection | Lung cancer | 12 | |
| 15 | 15 | M | T2 | Back pain | 3 | 7 | 424 | 583 | - | Renal cell carcinoma | 4 | |
| Mean | 55 | 2.3 | 6.1 | 271 | 608 | 9.4 | ||||||
PD: posterior decompression; PDF: posterior decompression with instrumented fusion; PF: posterior fusion.