Abstract
The goal of this study was to evaluate the performance of a convolutional neural network (CNN) with preoperative MRI and clinical factors in predicting the treatment response of unresectable hepatocellular carcinoma (HCC) patients receiving hepatic arterial infusion chemotherapy (HAIC). A total of 191 patients with unresectable HCC who underwent HAIC in our hospital between May 2019 and March 2022 were retrospectively recruited. We selected InceptionV4 from three representative CNN models, AlexNet, ResNet, and InceptionV4, according to the cross-entropy loss (CEL). We subsequently developed InceptionV4 to fuse the information from qualified pretreatment MRI data and patient clinical factors. Radiomic information was evaluated based on several constant sequences, including enhanced T1-weighted sequences (with arterial, portal, and delayed phases), T2 FSE sequences, and dual-echo sequences. The performance of InceptionV4 was cross-validated in the training cohort (n = 127) and internally validated in an independent cohort (n = 64), with comparisons against single important clinical factors and radiologists in terms of receiver operating characteristic (ROC) curves. Class activation mapping was used to visualize the InceptionV4 model. The InceptionV4 model achieved an AUC of 0.871 (95% confidence interval [CI] 0.761–0.981) in the cross-validation cohort and an AUC of 0.826 (95% CI 0.682–0.970) in the internal validation cohort; these two models performed better than did the other methods (AUC ranges 0.783–0.873 and 0.708–0.806 for cross- and internal validations, respectively; P < 0.01). The present InceptionV4 model, which integrates radiomic information and clinical factors, helps predict the treatment response of unresectable HCC patients receiving HAIC treatment.
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Availability of Data and Materials
The data used in the article are available with reasonable request from the corresponding author.
Abbreviations
- HCC:
-
Hepatocellular carcinoma
- TACE:
-
Transarterial chemoembolization
- HAIC:
-
Hepatic arterial infusion of oxaliplatin
- CNNs:
-
Convolutional neural networks
- BCLC:
-
Barcelona Clinic Liver Cancer
- HbsAg:
-
Hepatitis B surface antigen
- AFP:
-
Alpha fetoprotein
- PIVKA-II:
-
Protein induced by vitamin K absence or antagonist-II
- PLT:
-
Platelet
- TB:
-
Total bilirubin
- ALT:
-
Alanine aminotransferase
- AST:
-
Aspartate aminotransferase
- AKP:
-
Alkaline phosphatase
- γ-GT:
-
Gamma-glutamyl transpeptidase
- CRP:
-
C-reactive protein
- OS:
-
Overall survival
- PFS:
-
Progression-free survival
- T2WI:
-
T2-weighted imaging
- FSE:
-
Fast spin echo
- TLs:
-
Target lesions
- CR:
-
Complete response
- PR:
-
Partial response
- SD:
-
Stable disease
- PD:
-
Progressive disease
- ORR:
-
Objective response rate
- DCR:
-
Disease control rate
- CEL:
-
Cross entropy loss
- SVM:
-
Support vector machine
- AUC:
-
Area under the ROC curve
- SEN:
-
Sensitivity
- SPE:
-
Specificity
- PPV:
-
Positive predictive value
- NPV:
-
Negative predictive value
- CAM:
-
Class activation mapping
- IQR:
-
Interquartile range
- NLR:
-
Neutrophil-lymphocyte ratio
- FOV:
-
Field of view
- UV:
-
Univariable
- MV:
-
Multivariable
- CI:
-
Confidence interval
- HR:
-
Hazard ratio
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Funding
Funding for the study was provided by the National Natural Science Foundation of China (No. 81972889, Dr Yin; No. 81802320, Dr Li).
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Bing Quan, Jinghuan Li and Hailin Mi contributed to this work equally. Bing Quan: writing — original draft (lead). Jinghuan Li: methodology (lead). Hailin Mi: software (lead); validation (lead). Miao Li, Wenfeng Liu, Fan Yao: data curation (equal); Yan Shan, Pengju Xu: investigation (equal); visualization (equal). Zhenggang Ren, Xin Yin: conceptualization (lead); writing — review and editing (lead).
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Key Points
Treatment response prediction of HCC patients after HAIC can be reliably diagnosed by CNN.
Jinghuan Li and Hailin Mi are co-first author.
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Quan, B., Li, J., Mi, H. et al. Development and Preliminary Validation of a Novel Convolutional Neural Network Model for Predicting Treatment Response in Patients with Unresectable Hepatocellular Carcinoma Receiving Hepatic Arterial Infusion Chemotherapy. J Digit Imaging. Inform. med. (2024). https://doi.org/10.1007/s10278-024-01003-2
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DOI: https://doi.org/10.1007/s10278-024-01003-2