Research Article
Therapeutic Efficacy of Ultrasound-Guided High-Voltage Long-Duration Pulsed Radiofrequency for Pudendal Neuralgia
Figure 1
Diagnostic block of the pudendal nerve under ultrasound guidance. (a) Position and direction of the ultrasonic probe. (b) Transverse section of the ultrasound image in the ischial spine. Red outline: sacrospinous ligament; yellow outline: ischium; white arrow: ischial spine. L: lateral; M: medial.
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