ArticleCardiovascular and interventional radiology2026
Image-Guided Microwave Ablation of Liver Tumours Using a 150-W Generator: Ex Vivo and Multicenter in Vivo Predictability Assessment.
Article in Cardiovascular and interventional radiology, 2026. 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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Abstract
purposeTo assess the predictability of Emprint HP-Generator (150 W, 2.45 GHz) in terms of ablation volume and sphericity both in the ex vivo and in vivo setting. MATERIALS AND
methodsIn an ex vivo setting, 48 ablations were performed on porcine livers at varying ablation times with a constant power of 150 W. MRI assessment of the ablation volumes was performed. In the in vivo setting consecutive procedures with 150W application with no rampage, single antenna positioning and availability of a contrast-enhanced computed tomography (CECT) immediately after the ablation were included. A semi-automated segmentation tool was used for volume estimation and spherical index (SI) was calculated.
resultsIn the ex vivo group, mean ablation time was 5.3 ± 2.5 min (range 1-10 min), mean ablation diameter was 37.7 ± 5.8 mm (range 21.3-49 mm) and mean ablation volume was 20.1 ± 10.8 cm
conclusionThe Emprint HP-generator enables the creation of large predictable volumes in both settings. SI remains consistent regardless of ablation time and volume.
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