Table 1.

Clinical data for 16 cases of spinal osteosarcoma

Number	Sex	Age	Site	Preoperative Frankel score	Ennking	WBB	Preoperative chemotherapy	Resection	Margin	Postoperative chemotherapy	Radiotherapy	Local recurrence	Metastasis	Follow-up	Postoperative Frankel score	Dead
1	F	22	C1	E	IIA	3-6/A-C	Yes	Sagittal	Intralesional	Yes	No	Yes	Yes	44	E	No
2	M	41	C2-3	C	IIB	2-11/A-D	Yes	TPS	Intralesional	Yes	No	Yes	Yes	75	E	Yes
3	M	58	C3	C	IIB	2-9/A-D	Yes	TPS	Intralesional	Yes	Yes	No	Yes	39	D	No
4	M	50	C6	B	IIB	4-8/A-D	No	Vertebrectomy	Intralesional	Yes	Yes	Yes	Yes	50	D	Yes
5	M	27	C7	E	IIB	3-7/A-D	Yes	TPS	Intralesional	Yes	Yes	No	No	53	E	No
6	F	40	C7	D	IIB	2-9/A-D	Yes	TPS	Intralesional	Yes	Yes	No	No	36	D	No
7	M	30	T2	C	IIB	1-3,6-12/A-D	Yes	TPS	Intralesional	Yes	Yes	No	No	50	D	No
8	M	49	T4	E	IIB	6-10/A-D	Yes	TES	Marginal	Yes	Yes	No	No	35	E	No
9	M	28	T5	E	IIB	4-12/A-D	Yes	TES	Contaminated	Yes	Yes	Yes	Yes	40	E	Yes
10	F	49	T7	D	IIB	8-11/A-D	Yes	TES	Marginal	Yes	Yes	No	No	24	E	No
11	F	19	T7-9	B	IIB	3-12/A-D	No	TPS	Intralesional	Yes	Yes	Yes	Yes	10	C	Yes
12	F	17	T10-12	C	IIB	2-11/A-D	Yes	TPS	Intralesional	Yes	Yes	Yes	Yes	25	D	Yes
13	M	15	L1	E	IIIA	4-6/B-C	Yes	TES	Wide	Yes	Yes	No	Yes	37	E	No
14	F	48	L2	D	IIB	4-8/A-D	Yes	TES	Marginal	Yes	Yes	No	Yes	40	E	No
15	M	55	L3	E	IIA	7-10/B-C	Yes	TES	Marginal	Yes	Yes	No	No	71	E	No
16	M	46	L5	E	IIB	3-10/A-C	Yes	TES	Marginal	Yes	Yes	No	No	50	E	No

TES total en bloc spondylectomy; TPS total piecemeal spondylectomy; WBB Weinstein-Boriani-Biagini.