Table 2.

The revised Tokuhashi score

Predictive factors	Point(s)
General condition (KPS)
Poor (KPS 10–40%)	0
Moderate (KPS 50–70%)	1
Good (KPS 80–100%)	2
No. of extraspinal bone foci
≤ 3	0
1–2	1
0	2
No. of metastasis in the vertebral body
≤ 3	0
2	1
1	2
Metastasis to the major internal organs
Non-removable	0
Removable	1
No metastasis	2
Primary site of the cancer
Lung, osteosarcoma, stomach, bladder, esophagus, pancreas	0
Liver, gallbladder, unidentified	1
Others	2
Kidney, uterus	3
Rectum	4
Thyroid, breast, prostate, arcinoid	5
Palsy
Frankel A,B (complete)	0
Frankel C,D (incomplete)	1
Frankel E (none)	2
Prognostic categories	Interpretation
0–8 points	85% lives < 6 months ≥ conservative treatment or palliative surgery
9–11 points	73% lives > 6 months (and 30% > 1 year) ≥ palliative surgery or (exceptionally) excisional surgery
12–15 points	95% lives > 1 year ≥ excisional surgery