An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study
Feng-Yao Li,1,* Jian-Guo Li,2,* Song-Song Wu,3 Huo-Lin Ye,1 Xu-Qi He,1 Qing-Jing Zeng,1 Rong-Qin Zheng,1 Chao An,4 Kai Li1 1Department of Ultrasound, Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Repub...
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2021
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oai:doaj.org-article:070eca96f8e74bc998c52e25f450dc2d2021-11-16T18:47:50ZAn Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study2253-5969https://doaj.org/article/070eca96f8e74bc998c52e25f450dc2d2021-11-01T00:00:00Zhttps://www.dovepress.com/an-optimal-ablative-margin-of-small-single-hepatocellular-carcinoma-tr-peer-reviewed-fulltext-article-JHChttps://doaj.org/toc/2253-5969Feng-Yao Li,1,* Jian-Guo Li,2,* Song-Song Wu,3 Huo-Lin Ye,1 Xu-Qi He,1 Qing-Jing Zeng,1 Rong-Qin Zheng,1 Chao An,4 Kai Li1 1Department of Ultrasound, Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Republic of China; 2The Department of Infectious Disease,The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Republic of China; 3Shengli Clinical Medical College of Fujian Medical University, Department of Ultrasonography,Fujian Provincial Hospital, Fuzhou, People’s Republic of China; 4Department of Minimal Invasive Intervention, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chao An; Kai Li Tel +862087343272; +862085252010Email anchao@sysucc.org.cn; likai@sysu.edu.cnObjective: To explore the best ablative margin (AM) for single hepatocellular carcinoma (HCC) patients with image-guided percutaneous thermal ablation (IPTA) based on MRI–MRI fusion imaging, and to develop and validate a local tumor progression (LTP) predictive model based on the recommended AM.Methods: Between March 2014 and August 2019, 444 treatment-naïve patients with single HCC (diameter ≤ 3 cm) who underwent IPTA as first-line treatment from three hospitals were included, which were randomly divided into training (n= 296) and validation (n = 148) cohorts. We measured the ablative margin (AM) by MRI–MRI fusion imaging based on pre-ablation and post-ablation images. Then, we followed up their LPT and verified the optimal AM. Risk factors related to LTP were explored through Cox regression models, the nomogram was developed to predict the LTP risk base on the risk factors, and subsequently validated. The predictive performance and discrimination were assessed and compared with conventional indices.Results: The median follow-up was 19.9 months (95% CI 18.0– 21.8) for the entire cohort. The results revealed that the tumor size (HR: 2.16; 95% CI 1.25– 3.72; P = 0.003) and AM (HR: 0.72; 95% CI, 0.61– 0.85; P < 0.001) were independent prognostic factors for LTP. The AM had a pronounced nonlinear impact on LTP, and a cut-off value of 5-mm was optimal. We developed and validated an LTP predictive model based on the linear tumor size and nonlinear AM. The model showed good predictive accuracy and discrimination (training set, concordance index [C-index] of 0.751; validation set, C-index of 0.756) and outperformed other conventional indices.Conclusion: The 5-mm AM is recommended for the best IPTA candidates with single HCC (diameter ≤ 3 cm). We provided an LTP predictive model that exhibited adequate performance for individualized prediction and risk stratification.Keywords: thermal ablation, hepatocellular carcinoma, ablative margin, local tumor progression, prediction modelLi FYLi JGWu SSYe HLHe XQZeng QJZheng RQAn CLi KDove Medical Pressarticlethermal ablationhepatocellular carcinomaablative marginlocal tumor progressionprediction modelNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENJournal of Hepatocellular Carcinoma, Vol Volume 8, Pp 1375-1388 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
thermal ablation hepatocellular carcinoma ablative margin local tumor progression prediction model Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 |
| spellingShingle |
thermal ablation hepatocellular carcinoma ablative margin local tumor progression prediction model Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 Li FY Li JG Wu SS Ye HL He XQ Zeng QJ Zheng RQ An C Li K An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study |
| description |
Feng-Yao Li,1,* Jian-Guo Li,2,* Song-Song Wu,3 Huo-Lin Ye,1 Xu-Qi He,1 Qing-Jing Zeng,1 Rong-Qin Zheng,1 Chao An,4 Kai Li1 1Department of Ultrasound, Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Republic of China; 2The Department of Infectious Disease,The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Republic of China; 3Shengli Clinical Medical College of Fujian Medical University, Department of Ultrasonography,Fujian Provincial Hospital, Fuzhou, People’s Republic of China; 4Department of Minimal Invasive Intervention, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chao An; Kai Li Tel +862087343272; +862085252010Email anchao@sysucc.org.cn; likai@sysu.edu.cnObjective: To explore the best ablative margin (AM) for single hepatocellular carcinoma (HCC) patients with image-guided percutaneous thermal ablation (IPTA) based on MRI–MRI fusion imaging, and to develop and validate a local tumor progression (LTP) predictive model based on the recommended AM.Methods: Between March 2014 and August 2019, 444 treatment-naïve patients with single HCC (diameter ≤ 3 cm) who underwent IPTA as first-line treatment from three hospitals were included, which were randomly divided into training (n= 296) and validation (n = 148) cohorts. We measured the ablative margin (AM) by MRI–MRI fusion imaging based on pre-ablation and post-ablation images. Then, we followed up their LPT and verified the optimal AM. Risk factors related to LTP were explored through Cox regression models, the nomogram was developed to predict the LTP risk base on the risk factors, and subsequently validated. The predictive performance and discrimination were assessed and compared with conventional indices.Results: The median follow-up was 19.9 months (95% CI 18.0– 21.8) for the entire cohort. The results revealed that the tumor size (HR: 2.16; 95% CI 1.25– 3.72; P = 0.003) and AM (HR: 0.72; 95% CI, 0.61– 0.85; P < 0.001) were independent prognostic factors for LTP. The AM had a pronounced nonlinear impact on LTP, and a cut-off value of 5-mm was optimal. We developed and validated an LTP predictive model based on the linear tumor size and nonlinear AM. The model showed good predictive accuracy and discrimination (training set, concordance index [C-index] of 0.751; validation set, C-index of 0.756) and outperformed other conventional indices.Conclusion: The 5-mm AM is recommended for the best IPTA candidates with single HCC (diameter ≤ 3 cm). We provided an LTP predictive model that exhibited adequate performance for individualized prediction and risk stratification.Keywords: thermal ablation, hepatocellular carcinoma, ablative margin, local tumor progression, prediction model |
| format |
article |
| author |
Li FY Li JG Wu SS Ye HL He XQ Zeng QJ Zheng RQ An C Li K |
| author_facet |
Li FY Li JG Wu SS Ye HL He XQ Zeng QJ Zheng RQ An C Li K |
| author_sort |
Li FY |
| title |
An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study |
| title_short |
An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study |
| title_full |
An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study |
| title_fullStr |
An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study |
| title_full_unstemmed |
An Optimal Ablative Margin of Small Single Hepatocellular Carcinoma Treated with Image-Guided Percutaneous Thermal Ablation and Local Recurrence Prediction Base on the Ablative Margin: A Multicenter Study |
| title_sort |
optimal ablative margin of small single hepatocellular carcinoma treated with image-guided percutaneous thermal ablation and local recurrence prediction base on the ablative margin: a multicenter study |
| publisher |
Dove Medical Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/070eca96f8e74bc998c52e25f450dc2d |
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