Fig. 3From: Successful neurolytic thoracic sympathetic ganglion block using C-arm fluoroscopic cone-beam computed tomography in patients with postmastectomy pain syndrome: a report of 3 casesClinical course of each patient. Line graphs show the change of numerical rating scale (NRS) pain scores. In cases 1 and 2, the NRS scores remained stable after neurolytic thoracic sympathetic ganglion block. However, in case 3, the NRS score increased to 4 after 5 months, and a third thoracic nerve root pulsed radiofrequency was performed; thereafter, the same pain scores remained stableBack to article page