Ultrasound-guided pudendal nerve pulsed radiofrequency in patients with refractory pudendal neuralgia-Three cases report-

Case 1

빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲

Fig. 3. The location of the needle tip checked by fluoroscopy. FH: femoralhead, IS: ischial spine.

Fig. 2. Doppler image showing the internal pudendal artery at the levelof the ischial spine. The open arrow indicates the internal pudendal artery, the closed arrow indicates the pudendal nerve. The arrowheads indicate the needle. SSL: sacrospinous ligament, STL: sacrotuberous ligament, IS: ischial spine, GM: gluteus maximus.

Fig. 1. Ultrasound-guided pudendal nerve radiofrequency. The transduceris placed transversely over the ischial spine. The needle electrode is advanced laterally with the in-plane approach.

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Case 2

빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲

Fig. 4. Ultrasound image of pudendal nerve radiofrequency. The needleis advanced near the pudendal nerve. The open arrow indicates the internal pudendal artery, the closed arrow indicates the pudendal nerve.The arrowheads indicate the needle. SSL: sacrospinous ligament, STL: sacrotuberous ligament, IS: ischial spine, GM: gluteus maximus.

Case 3

빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲빲