Role of pulsed radiofrequency neuromodulation adjacent to lumbar dorsal root ganglion in bone metastatic cancer pain

Metastatic bone pain is among the most commonly reported pain conditions in cancer patients. Conventional therapy for metastatic bone pain is multidisciplinary, for example, radiotherapy, systemic treatment, and supportive care, which sometimes does not give adequate pain relief. Pulsed radiofrequency (PRF) neuromodulation of dorsal root ganglion (DRG) is a minimally invasive and an effective alternative procedure in treating symptomatic bone metastases in regard to pain reduction, safety, and quality of life. Although cervical DRG PRF has some evidence in pain relief, there is paucity in the literature evaluating the efficacy of lumbar DRG PRF for metastatic bone pain.