Specimen yield and biopsy-outcome comparison without and with the diskectomy device
| Specimen Yield | Average Specimen Volume (mL) | Positive Biopsy | Complication | |
|---|---|---|---|---|
| Needle aspiration | 4/19 (21%) | <1 | 3/19 (16%) | 0 |
| Percutaneous diskectomy | 19/19 (100%) | >3 | 11/19 (58%) | 0 |