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Impact of local lipiodol deposition in liver on necrotic area after microwave ablation in miniature pigs / 中国介入影像与治疗学
Article in Zh | WPRIM | ID: wpr-702410
Responsible library: WPRO
ABSTRACT
Objective To explore the impact of local lipiodol deposition in liver of miniature pigs on the shape and size of the necrotic area after microwave ablation (MWA).Methods Ten healthy miniature pigs were selected and equally divided into experimental group and control group (each n=5).In experimental group,transcatheter hepatic arterial embolization with lipiodol was done before microwave ablation,while only standard microwave ablation was performed in control group.Immediate post-ablation CT images were obtained.Long-axis diameter (LAD),short-axis diameter (SAD),sphericity index (SI=SAD/LAD) and volume of ablation zone were calculated.The size and shape of the ablated areas were compared between two groups.Results The mean LAD,SAD,SI and volume of ablation zone in experimental group ([4.21 ± 0.52]cm,[2.87±0.38]cm,0.69±0.10,[18.72±6.08]cm3) were larger than those in control group ([3.71±0.42]cm,[2.19±0.42]cm,0.60±0.09,[9.44±2.29] cm3;all P<0.05).Conclusion Local deposition of lipiodol in liver parenchyma of miniature pigs can help to produce larger and rounder necrosis in the ablation zone.
Key words
Full text: 1 Index: WPRIM Language: Zh Journal: Chinese Journal of Interventional Imaging and Therapy Year: 2018 Type: Article
Full text: 1 Index: WPRIM Language: Zh Journal: Chinese Journal of Interventional Imaging and Therapy Year: 2018 Type: Article