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Lumbar Facet and Epidural Block Injections
This set of medical illustrations depicts lumbar facet and epidural block injections performed for the management of low back pain. The first two illustrations show bilateral facet capsule injections made into the lower back at the L3-4, L4-5 and L5-S1 levels. Labeled structures in the lumbar facet block drawings include lumbar vertebra, spinal nerve root and injection sites. The third illustration shows an epidural block injection at the L5-S1 level. The dura and epidural vessels are illustrated and labeled in this image.