MRI-based clinical radiomics nomogram may predict the early response after concurrent chemoradiotherapy in locally advanced nasopharyngeal carcinoma

被引:7
|
作者
Wu, Mengxing [1 ,2 ]
Xu, Weilin [1 ]
Fei, Yinjiao [1 ]
Li, Yurong [1 ,2 ]
Yuan, Jinling [1 ,2 ]
Qiu, Lei [1 ,2 ]
Zhang, Yumeng [3 ]
Chen, Guanhua [4 ]
Cheng, Yu [5 ]
Cao, Yuandong [1 ]
Sun, Xinchen [1 ,2 ]
Zhou, Shu [1 ]
机构
[1] Nanjing Med Univ, Dept Radiat Oncol, Affiliated Hosp 1, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Med Univ, Sch Clin Med 1, Nanjing, Jiangsu, Peoples R China
[3] Tongji Univ, Shanghai Matern & Infant Hosp 1, Dept Radiat Ctr, Sch Med, Shanghai, Peoples R China
[4] Nanjing Univ, Nanjing Jinling Hosp, Affiliated Hosp, Dept Radiotherapy,Med Sch, Nanjing, Jiangsu, Peoples R China
[5] Second Hosp Nanjing, Dept Oncol, Nanjing, Jiangsu, Peoples R China
来源
FRONTIERS IN ONCOLOGY | 2023年 / 13卷
关键词
locally advanced nasopharyngeal carcinoma; radiomics; clinical features; nuclear magnetic resonance; early response and remission; nomogram; RANDOMIZED PHASE-II; EPSTEIN-BARR-VIRUS; INDUCTION CHEMOTHERAPY; CONCOMITANT RADIOTHERAPY; CISPLATIN; CANCER; PACLITAXEL; TRIAL;
D O I
10.3389/fonc.2023.1192953
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
ObjectiveTumor residue after concurrent chemoradiotherapy (CCRT) in nasopharyngeal carcinoma (NPC) patients often predicts poor prognosis. Thus, the objective of this retrospective study is to develop a nomogram that combines magnetic resonance (MRI) radiomics features and clinical features to predict the early response of locally advanced nasopharyngeal carcinoma (LA-NPC). MethodsA total of 91 patients with LA-NPC were included in this study. Patients were randomly divided into training and validation cohorts at a ratio of 3:1. Univariate and multivariate analyses were performed on the clinical parameters of the patients to select clinical features to build a clinical model. In the training cohort, the Least Absolute Shrinkage and Selection Operator (LASSO) regression model was used to select radiomics features for construction of a radiomics model. The logistic regression algorithm was then used to combine the clinical features with the radiomics features to construct the clinical radiomics nomogram. Receiver operating characteristic (ROC) curves, calibration curves, and decision curve analysis (DCA) were drawn to compare and verify the predictive performances of the clinical model, radiomics model, and clinical radiomics nomogram. ResultsPlatelet lymphocyte ratio (PLR) and nasopharyngeal tumor volume were identified as independent predictors of early response in patients with locally advanced nasopharyngeal carcinoma. A total of 5502 radiomics features were extracted, from which 25 radiomics features were selected to construct the radiomics model. The clinical radiomics nomogram demonstrated the highest AUC in both the training and validation cohorts (training cohort 0.975 vs 0.973 vs 0.713; validation cohort 0.968 vs 0.952 vs 0.706). The calibration curve and DCA indicated good predictive performance for the nomogram. ConclusionA clinical radiomics nomogram, which combines clinical features with radiomics features based on MRI, can predict early tumor regression in patients with LA-NPC. The performance of the nomogram is superior to that of either the clinical model or radiomics model alone. Therefore, it can be used to identify patients without CR at an early stage and provide guidance for personalized therapy.
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页数:12
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