Abstract：
PURPOSE:To assess the agreement between ablative margin (AM) predicted by preablation three-dimensional ultrasonography (3D-US) and AM measured on postablation computed tomography (CT)/magnetic resonance (MR) images. METHODS:Sixty patients with 73 hepatocellular carcinoma nodules were enrolled. 3D-US data were collected immediately after puncture by the electrode before ablation. The maximum distance from the electrode to the edge of the tumor in the plane perpendicular to the electrode (C-plane) was defined as "a" and the diameter of the ablation zone as "b". We classified predicted AM into "0.5b - a" ≥0 mm as AM(+) or <0 mm as AM(-), and "0.5b - a" ≥3 mm or <3 mm. RESULTS:Forty-eight nodules (66 %) were visualized in the C-plane. There was an agreement between the predicted and measured AMs for 39 (81 %) of the 48 nodules. Local tumor progression was observed in 3 (7%) of 43 nodules with predicted AM(+) and in 2 (40 %) of 5 nodules with predicted AM(-) but was not observed in any of 21 nodules with predicted AM ≥ 3 mm. The local tumor progression rate was significantly lower for nodules with predicted AM(+) compared with predicted AM(-)(p = 0.03), and for nodules with predicted AM ≥ 3 mm compared with predicted AM < 3 mm (p = 0.04). Local progression was detected in 2 (4.7 %) of 42 nodules with a sufficient AM (≥0 mm) on postablation CT/MR images and in 5 (83.3 %) of 6 nodules with an insufficient AM (<0 mm); the difference in progression rate was significant (p = 0.0008). CONCLUSION:3D-US allows prediction of the AM before radiofrequency ablation.
journal_name
Eur J Radioljournal_title
European journal of radiologyauthors
Matsuki Y,Matono T,Koda M,Miyoshi K,Sugihara T,Okano JI,Isomoto Hdoi
10.1016/j.ejrad.2020.109358subject
Has Abstractpub_date
2020-12-01 00:00:00pages
109358eissn
0720-048Xissn
1872-7727pii
S0720-048X(20)30547-7journal_volume
133pub_type
杂志文章abstract：OBJECTIVE:To determine if concomitant CT-guided biopsy and percutaneous fiducial seed placement in the lung can be performed in a selective patient population without increased complication or decreased success rates compared to either procedure alone. MATERIALS AND METHODS:An IRB approved retrospective analysis of 28...
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pub_type： 杂志文章,随机对照试验
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journal_title：European journal of radiology
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journal_title：European journal of radiology
pub_type： 杂志文章
doi：10.1016/0720-048x(95)00692-j
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pub_type： 临床试验,杂志文章
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journal_title：European journal of radiology
pub_type： 杂志文章
doi：
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journal_title：European journal of radiology
pub_type： 杂志文章,评审
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