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Dual-energy CT fusion imaging improves ice-ball visualization in porcine cadavers, suggesting enhanced safety for surrounding structures.
The lack of visibility of the ice-ball in the bone during cryoablation represents a limitation for the safety of adjacent structures at risk. In bone, the ice-ball was detectable only on virtual non-calcium (VNCa) images, but the quality of its contour delineation was poorer. Electron density and VNCa fusion images improved ice-ball visualization and delineation in bone, as confirmed by comparison with MRI.
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Dabli et al. (2026) studied this question.
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