Psoas-lumbar vertebral index and short-term pain relief after pulsed radiofrequency treatment of the dorsal root ganglion in postherpetic neuralgia in Korea: a retrospective pilot study.
Purpose The psoas-lumbar vertebral index (PLVI), a marker of central sarcopenia measured using computed tomography (CT) or magnetic resonance imaging (MRI), has been linked to the development of postherpetic neuralgia (PHN). Whether PLVI predicts short-term pain relief after pulsed radiofrequency (pRF) treatment of the...