Keywords Syndrome of Posterior Ramus of Lumbar Nerve;Angiography;Digital Subtraction;Catheter Ablation;Radiofrequency;Thermocoagulation;Denervation;

• 腰椎脊神经后支综合征;血管造影术;数字减影;导管消融术;射频;电凝术;去神经支配;