Skip to main content
. 2017 Mar 10;9(3):e1090. doi: 10.7759/cureus.1090

Figure 9. L4-5 stenosis radiofrequency electrode placement.

Figure 9

A: Axial CT showing marked ligamentous hypertrophy, (white arrows) which shows up hypointense and darker on T2 MRI.

B: Sagittal T2 MRI with posterior compression from ligamentous stenosis at L4-5.

C: Two RF electrodes placed percutaneously from inferior-laterally to superior-medially in posterior canal within ligamentum flavum.

CT: Computed tomography; MRI: Magnetic resonance imaging; RF: Radiofrequency.