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Article Dans Une Revue Minimally Invasive Therapy and Allied Technologies Année : 2022

A new software tool for planning interventional procedures in liver cancer

Résumé

Introduction Intra-arterial therapy is an effective way of performing chemotherapy or radiation therapy in patients with primary liver cancer (i.e. hepatocellular carcinoma). Although this minimally invasive approach is now an established treatment option, support tools for pre-operative planning and intra-operative assistance might be helpful. Material and methods We developed an approach for semi-automatic segmentation of computed tomography angiography images of the main arterial branches (required for access path to the treatment site), automatic segmentation of the liver, arterial and venous tree, and interactive segmentation of the tumors (required for procedure-specific planning). This approach was then integrated into a liver-specific workflow within EndoSize(R) solution, a planning software for endovascular procedures. The main branches extraction approach was qualitatively evaluated inside the software, while the automatic segmentation methods were quantitatively assessed. Results Main branches extraction provides a success rate of 85% (i.e. all arteries correctly extracted) in a dataset of 172 patients. On public databases, a mean DICE of 0.91, 0.47 and 0.92 was obtained for liver, venous and arterial trees segmentation, respectively. Conclusions This pipeline is suitable for directly accessing the treatment site, giving anatomic measurements, and visualizing the hepatic trees, liver, and surrounding arteries during the pre-operative planning.
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Dates et versions

hal-03330064 , version 1 (31-08-2021)

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Ondine Delache, Anne Landreau, Lucas Royer, Antoine Petit, Chloé Rousseau, et al.. A new software tool for planning interventional procedures in liver cancer. Minimally Invasive Therapy and Allied Technologies, 2022, 31 (5), pp.737-746. ⟨10.1080/13645706.2021.1954953⟩. ⟨hal-03330064⟩
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