Abstract
In this study, the characteristics of hemodynamic changes with use of toremifene before and after neoadjuvant chemotherapy in breast cancer treatment were analyzed using resting-state functional magnetic resonance imaging. Also, the effect of toremifene on the quality of life of patients with advanced breast cancer was analyzed. The study population comprised 100 patients who received endocrine therapy after breast cancer surgery in our hospital from January 2016 to January 2019. Patients were randomly divided into an observation group and a control group, with 50 cases in each group. The observation group was treated with tamoxifen combined with toremifene treatment; the control group was treated with toremifene. Before and after chemotherapy, the same scheme was used to perform dynamic contrast-enhanced imaging of the breast using a 1.5T superconducting scanner with 3 mL/second bolus injection of adiphenine meglumine 0.2 mmol/kg. Semiquantitative blood flow measurement was completed on the workstation and before and after chemotherapy to compare results. The patient's quality of life, progesterone and estrogen levels, social function, physical function, mental function, and material function were analyzed. The mean values of the early enhancement parameters Efirst, Vfirst, Ee, and Ve before chemotherapy were greater than in the residual lesions after chemotherapy (P < 0.5). The semiquantitative study of resting brain function before and after breast cancer neoadjuvant chemotherapy showed that the hemodynamics of the residual lesions were significantly reduced, and the blood flow rate was significantly reduced. Compared with the clinical effect of tamoxifen in the treatment of breast cancer after surgery, tamoxifen combined with toremifene has more advantages in improving quality of life, improving progesterone levels, and reducing estrogen levels, and it has no detrimental effects on the endometrium.
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