fig4
From: Minimal laminectomy using the interlaminar approach for percutaneous endoscopic lumbar discectomy
Figure 4. Magnetic resonance imaging and computed tomography findings of a patient with an immobile nerve root (case 13). Preoperative (A, B) and postoperative (E, F) sagittal (A, E) and axial (B, F) T2-weighted magnetic resonance images. Preoperative (C, D) and postoperative (G, H) axial (C, G) and three-dimensional (D, H) computer tomographic images: arrows indicate the margin of minimal laminectomy
