Table 1 Details of patients who experienced instrumentation failure
No. | Age | Sex | BMI | Type of tumor | RT | Resection level | Broken parts in instrumentation failure | Duration after TES (mo) | Back pain | Neurological deterioration | Ambulatory | Revision surgery |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 39 | M | 24.0 | thyroid cancer | no | T4 | 2 rods | 42 | + | – | yes | yes |
2 | 63 | F | 21.0 | thyroid cancer | no | T4, 5, 6 | 1 rod | 74 | + | – | yes | yes |
3 | 57 | F | 22.3 | parotid cancer | no | T5, 6 | 2 rods | 92 | + | – | yes | yes |
4 | 59 | F | 22.6 | breast cancer | yes | T6, 7 | 2 rods | 24 | – | bilateral leg weakness | no | yes |
5 | 68 | M | 22.4 | hepatocellular carcinoma | yes | T7 | 2 rods | 51 | – | bilateral leg weakness | yes | yes |
6 | 24 | M | 22.0 | leiomyosarcoma | no | T7,8 | 1 rod | 29 | + | – | yes | yes |
7 | 41 | F | 16.4 | synovial sarcoma | yes | T8, 9 | 2 rods | 37 | + | – | yes | yes |
8 | 68 | M | 23.2 | renal cell carcinoma | no | T8, 9 | 2 rods | 18 | + | – | yes | yes |
9 | 59 | M | 24.2 | renal cell carcinoma | no | T8, 9, 10 | 2 rods | 11 | + | – | no | yes |
10 | 59 | M | 24.3 | lung cancer | no | T8,9, 10 | 2 rods and cage | 25 | + | bilateral leg weakness | no | yes |
11 | 66 | F | 18.4 | esophageal cancer | no | T9 | 1 rod | 17 | + | – | yes | yes |
12 | 26 | M | 27.0 | epithelioid sarcoma | no | T10 | 2 rods | 34 | + | bilateral leg paresthesia | yes | yes |
13 | 40 | M | 26.3 | liposarcoma | no | T10 | 1 rod | 38 | – | – | yes | yes |
14 | 45 | M | 23.6 | chondrosarcoma | no | T10 | 1 rod | 32 | + | – | yes | yes |
15 | 70 | M | 25.2 | unknown | no | T10, 11 | 2 rods | 11 | + | – | no | yes |
16 | 14 | M | 24.3 | Ewing’s sarcoma | no | T12 | 2 screws | 22 | – | – | yes | yes |
17 | 48 | M | 28.4 | renal cell carcinoma | no | T12, L1 | 2 rods | 19 | + | bilateral leg paresthesia | yes | yes |
18 | 66 | F | 22.4 | breast cancer | no | L1 | 1 rod | 18 | + | – | yes | yes |
19 | 16 | M | 22.8 | chordoma | no | L1, 2 | 2 rods and cage | 21 | + | – | yes | yes |
20 | 64 | M | 19.9 | aggressive hemangioma | no | L2 | 1 rod | 23 | + | – | yes | yes |
21 | 49 | F | 30.9 | giant cell tumor | no | L4,5 | 2 rods | 39 | + | bilateral leg paresthesia | no | yes |
22 | 25 | F | 17.2 | giant cell tumor | no | L4 | cage and 1 screw | 31 | + | bilateral leg paresthesia | yes | yes |
23 | 50 | M | 32.3 | lung cancer | no | L5 | 2 rods | 24 | + | bilateral leg pain | no | yes |
24 | 21 | F | 24.3 | giant cell tumor | no | T11 | cage | 24 | – | – | yes | no |
25 | 41 | F | 22.2 | breast cancer | no | L3 | 2 screws | 35 | – | – | yes | no |
26 | 70 | M | 20.8 | renal cell carcinoma | yes | L3 | 1 rod | 30 | – | – | yes | no |