Table 2.

Characteristics of the patients with spinal tumor.

Patient no.	Sex	Age	Diagnosis	Sample level	Disc of Pfirrmann grade
1	Female	34	L4 giant cell tumor	L4-5	I
2	Male	23	L3 osteosarcoma	L3-4	II
3	Male	25	C6 giant cell tumor	C6-7	I
4	Male	32	L1 chondrosarcoma	L1-2	I
5	Female	56	T12 Ewing's sarcoma	T12-L1	I
6	Female	45	L1 metastatic breast cancer	L1-2	I
7	Female	25	T11 metastatic renal cancer	T11-12	I
8	Male	43	T10 giant cell tumor	T10-11	II
9	Male	25	L4 metastatic lung cancer	L3-4	I
10	Female	36	T8 solitary plasmacytoma	T7-8	I
11	Male	43	C5 osteoblastoma	C4-5	I