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Erschienen in: Molecular Imaging and Biology 4/2021

22.01.2021 | Research Article

Dynamic Contrast-Enhanced Ultrasound Radiomics for Hepatocellular Carcinoma Recurrence Prediction After Thermal Ablation

verfasst von: Qiu-Ping Ma, Xue-lei He, Kai Li, Jin-fen Wang, Qing-Jing Zeng, Er-Jiao Xu, Xu-qi He, Shuo-yang Li, Wang Kun, Rong-Qin Zheng, Jei Tian

Erschienen in: Molecular Imaging and Biology | Ausgabe 4/2021

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Abstract

Purpose

To develop a radiomics model based on dynamic contrast-enhanced ultrasound (CEUS) to predict early and late recurrence in patients with a single HCC lesion ≤ 5 cm in diameter after thermal ablation.

Procedures

We enrolled patients who underwent thermal ablation for HCC in our hospital from April 2004 to April 2017. Radiomics based on two branch convolution recurrent network was utilized to analyze preoperative dynamic CEUS image of HCC lesions to establish CEUS model, in comparison to the conventional ultrasound (US), clinical, and combined models. Clinical follow-up of HCC recurrence after ablation were taken as reference standard to evaluate the predicted performance of CEUS model and other models.

Results

We finally analyzed 318 patients (training cohort: test cohort = 255:63). The combined model showed better performance for early recurrence than CUES (in training cohort, AUC, 0.89 vs. 0.84, P < 0.001; in test cohort, AUC, 0.84 vs. 0.83, P = 0.272), US (P < 0.001), or clinical model (P < 0.001). For late recurrence prediction, the combined model showed the best performance than the CEUS (C-index, in training cohort, 0.77 vs. 0.76, P = 0.009; in test cohort, 0.77 vs. 0.68, P < 0.001), US (P < 0.001), or clinical model (P < 0.001).

Conclusions

The CEUS model based on dynamic CEUS radiomics performed well in predicting early HCC recurrence after ablation. The combined model combining CEUS, US radiomics, and clinical factors could stratify the high risk of late recurrence.
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Metadaten
Titel
Dynamic Contrast-Enhanced Ultrasound Radiomics for Hepatocellular Carcinoma Recurrence Prediction After Thermal Ablation
verfasst von
Qiu-Ping Ma
Xue-lei He
Kai Li
Jin-fen Wang
Qing-Jing Zeng
Er-Jiao Xu
Xu-qi He
Shuo-yang Li
Wang Kun
Rong-Qin Zheng
Jei Tian
Publikationsdatum
22.01.2021
Verlag
Springer International Publishing
Erschienen in
Molecular Imaging and Biology / Ausgabe 4/2021
Print ISSN: 1536-1632
Elektronische ISSN: 1860-2002
DOI
https://doi.org/10.1007/s11307-021-01578-0

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