Stereotactic radiofrequency lesioning of caudal zona incerta for parkinsonian tremor.

This video showcases stereotactic radiofrequency lesioning of the caudal zona incerta (CZi) for parkinsonian tremor in a 70-year-old patient. The preoperative evaluation, including imaging and frame placement, is detailed. The surgical procedure involves meticulous targeting and trajectory planning. Intraoperative stimulation is utilized for motor response assessment. Two temporary lesioning phases precede the final procedure at 75°C. The postoperative CT scan highlights the lesion site. Immediate tremor relief is observed postoperatively, with the effect persisting at the 1-month follow-up. Supporting readings underscore the efficacy and safety of CZi for tremor management. The video can be found here: https://stream.cadmore.media/r10.3171/2024.7.FOCVID2462.

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Disclosures The authors report no conflict of interest concerning the materials or methods used in this study or the findings specified in this publication.The authors report no conflict of interest concerning the materials or methods used in this study or the findings specified in this publication.