机构:[1]Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China四川省人民医院四川省肿瘤医院[2]Rush University Medical Center of Chicago Medical University, Chicago, Ilinois
To determine predictive factors for temporal lobe injury (TLI) in nasopharyngeal carcinoma patient (NPC) treated with intensity-modulated radiation therapy (IMRT). A total of 695 NPC cases treated with IMRT were retrospectively analyzed. TLI was diagnosed on MRI images. Volume-dose histograms for 870 evaluable temporal lobes were analyzed, and the predictive factors for the occurrence of TLI was evaluated. Receiver operating characteristic curve (ROC) and Logistic regression analysis was used to determine volume-dose parameters that predict temporal lobe injury (TLI). Univariate and multivariate analysis were used to analyze the predictive factors for TLI. The radiation dose-tolerance model of temporal lobe was calculated by logistic dose-response model. The median follow-up time was 73 months. A total of 8.5% patients were diagnosed with TLI. Among all the volume-dose parameters, logistic regression model showed D2cc (the dose Gray delivered to 2 cubic centimeter volume) was an only independent predictive factor. Multivariate analysis showed D2cc of temporal lobe, fraction size of prescription, T stage, and chemotherapy were the independent predictive factors for TLI. Logistic dose-response model has indicated the TD5/5 and TD50/5 of D2cc are 60.3 Gy and 76.9 Gy, respectively. D2cc of temporal lobe, fraction size of prescription, T stage, and chemotherapy were the possible independent predictive factors for TLI after IMRT of NPC. Biologic effective doses (TD5/5 and TD50/5) of D2cc are considered to prevent TLI.
基金:
CSCO clinical oncology research funding Science and Technology Program Project Funds of Sichuan Province [Y-MT2016-017, 2015SZ0053]
第一作者机构:[1]Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
共同第一作者:
通讯作者:
通讯机构:[1]Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China[*1]Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
推荐引用方式(GB/T 7714):
Feng Mei,Huang Yecai,Fan Xigang,et al.Prognostic variables for temporal lobe injury after intensity modulated-radiotherapy of nasopharyngeal carcinoma[J].CANCER MEDICINE.2018,7(3):557-564.doi:10.1002/cam4.1291.
APA:
Feng, Mei,Huang, Yecai,Fan, Xigang,Xu, Peng,Lang, Jinyi&Wang, Dian.(2018).Prognostic variables for temporal lobe injury after intensity modulated-radiotherapy of nasopharyngeal carcinoma.CANCER MEDICINE,7,(3)
MLA:
Feng, Mei,et al."Prognostic variables for temporal lobe injury after intensity modulated-radiotherapy of nasopharyngeal carcinoma".CANCER MEDICINE 7..3(2018):557-564