Department of Radiology, Chongqing Fifth People's Hospital, Chongqing, 400062, China , songxundou32875378@163.com
Abstract: (150 Views)
Background:this study focused on evaluating the effectiveness of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in patients with cervical cancer (CC) undergoing neoadjuvant chemotherapy and radiation therapy. Materials and Methods: a total of 58 CC patients were included, undergoing examination through DCE-MRI scans. Subsequently, all cases were divided into two groups: the chemotherapy-effective group (32 cases) including complete response (CR) and partial response (PR), and the chemotherapy-ineffective group (26 cases) including stable disease (SD) and disease progression (PD). Results: after treatment, the average maximum diameter of tumors in the chemotherapy and radiation therapy failure group was 4.38 ± 1.23 cm, drastically larger than the 2.51±0.64 cm in the chemotherapy and radiation therapy response group (P < 0.05). Before treatment, the Ktrans of the chemotherapy and radiation therapy response group was superior to that of the failure group, while Ve was inferior to the latter (P < 0.05). After treatment, the Ktrans of the chemotherapy and radiation therapy response group decreased, showing a more drastic reduction compared to the failure group (P < 0.05). The Ktrans of the chemotherapy and radiation therapy response group was drastically inferior to that of the failure group, with statistical significance (P<0.05). The ΔKtrans% in the chemotherapy and radiation therapy response group was negative, inferior to pre-treatment values. In contrast, the ΔKtrans% in the chemotherapy and radiation therapy failure group was positive, superior to pre-treatment values (P < 0.05). Conclusion: DCE-MRI demonstrates excellent scanning performance for CC, accurately monitoring the blood flow signals of CC tumors. Ktrans, Ve, and ΔKtrans have high predictive value in neoadjuvant chemotherapy and radiation therapy.
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Yi M, Hong R, Zhang Z, Xiong Z, Ran J. Value of dynamic contrast-enhanced magnetic resonance imaging quantitative parameters in evaluating the efficacy of neoadjuvant chemoradiotherapy for cervical cancer. Int J Radiat Res 2024; 22 (4) :1067-1074 URL: http://ijrr.com/article-1-5807-en.html