Efficacy and Safety of Computed Tomography-Guided Percutaneous Balloon Compression under Local Anesthesia for Recurrent Trigeminal Neuralgia: A Prospective Study

Figure 3

The location of the balloon catheter can be determined by inserting the balloon catheter under CT guidance. After the iohexol was injected, a “pear-shaped image” was displayed on lateral CT imaging, indicating successful surgery.