What question did this study set out to answer?

To evaluate the feasibility and predictive utility of 3D volumetric periablational safety margin assessment using image fusion for determining local treatment success after thermal ablation of colorectal liver metastases.

January 14, 2021European RadiologyOpen Access

Volumetric assessment of the periablational safety margin after thermal ablation of colorectal liver metastases

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To evaluate the feasibility and predictive utility of 3D volumetric periablational safety margin assessment using image fusion for determining local treatment success after thermal ablation of colorectal liver metastases.
Performed software-based image fusion aligning pre-interventional and post-interventional CT scans.
Evaluated three-dimensional periablational safety margins intraprocedurally to assess local tumor eradication.
Ablations achieving a 100% 3D periablational safety margin of 3 mm serve as an indicator of treatment success.
Ablations with at least a 90% 3D periablational safety margin of 6 mm similarly indicate local therapeutic success.
Image fusion of pre- and post-interventional CT scans proved clinically feasible for intraprocedural guidance.

Implication

Clinical study demonstrates that 3D safety margin assessment confirms ablation success in colorectal liver metastases, highlighting the utility of CT image fusion.

Abstract

• Volumetric assessment of the periablational safety margin can be used as an intraprocedural tool to evaluate local treatment success following thermal ablation of colorectal liver metastases. • Ablations with 100% 3D periablational safety margin of 3 mm and ablations with at least 90% 3D safety margin of 6 mm can be considered indications of treatment success. • Image fusion of pre- and post-interventional CT scans with the software used in this study is feasible and could represent a useful tool in daily clinical practice.

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Cite This Study

Laimer et al. (2021) studied this question.

synapsesocial.com/papers/69dc286cd50c49528a9f533c https://doi.org/10.1007/s00330-020-07579-x

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Implication

Clinical study demonstrates that 3D safety margin assessment confirms ablation success in colorectal liver metastases, highlighting the utility of CT image fusion.

Volumetric assessment of the periablational safety margin after thermal ablation of colorectal liver metastases

Key Points

Implication

Abstract

Discussion

Cite This Study

Volumetric assessment of the periablational safety margin after thermal ablation of colorectal liver metastases

Key Points

Implication

Abstract

Discussion

Cite This Study

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