ArticleJournal of neurosurgery. Case lessons2024
Feasibility of targeting the cingulate gyrus using high-intensity focused ultrasound on a cadaveric specimen: illustrative case.
Article in Journal of neurosurgery. Case lessons, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
backgroundCancer is commonly associated with pain. For patients with advanced cancer and intractable pain, ablative neurosurgical procedures can significantly improve pain and transition patients out of inpatient settings. These procedures are normally invasive, and this poses an important risk in this population. Cingulotomy has been reported to improve pain perception and contribute substantially to the quality of life of cancer patients with refractory pain. OBSERVATIONS: One fresh human cadaver specimen was used for the setup. The cingulate gyrus was targeted using intraoperative magnetic resonance images, and osseous aberrations were corrected after coregistration with the preoperative head computed tomography. After accounting for sinuses, membrane folds, and calcifications, a total of 737 elements were available for thermal ultrasound ablation. On high-power sonications, the total energy delivered reached a peak temperature of 57°C (15,050 J, 350 W, 45 seconds) in the right cingulate and 52°C (13,000 J, 405 W, 46 seconds) in the left cingulate. LESSONS: Despite the limitations of using a cadaver model (temperature, vascularization), cingulotomy appears to be feasible using high-intensity focused ultrasound. https://thejns.org/doi/10.3171/CASE2459.
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