V15 Gy (HR=0.991, 95%CI, 0.969‐1.013, P=0.034)were the independent risk factors for evident acute intestinal toxicity. Conclusion Dose‐volume parameters of the small bowel can be used as predictors for the occurrence of grade ≥2 acute intestinal toxicity in cervical cancer patients undergoing postoperative adjuvant radiotherapy."/>
Correlation between acute intestinal toxicity and dose-volume parameters in patients with cervical cancer receiving postoperative adjuvant radiotherapy
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Correlation between acute intestinal toxicity and dose-volume parameters in patients with cervical cancer receiving postoperative adjuvant radiotherapy
Xu Bichun, Guo Qi, Qian Jianjun, Cai Shang, Tian Ye
Department of Radiotherapy and Oncology, the Second Affiliated Hospital of Soochow University, Institute of Radiotherapy and Oncology, Soochow University, Suzhou Key Laboratory of Radiotherapy and Oncology, Suzhou 215004, China
AbstractObjective To identify dose‐volume parameters to predict the incidence of acute intestinal toxicity in cervical cancer patients after postoperative adjuvant radiotherapy. Methods Clinical data of 93 cervical cancer patients who underwent postoperative adjuvant intensity‐modulated radiotherapy (IMRT) were retrospectively evaluated. The dose‐volume parameters comprised the absolute volume of the bowel receiving 5‐45 Gy (5 Gy interval) radiation dose and the total volume of the bowel. The acute radiation-induced intestinal toxicity was evaluated by Radiation Therapy Oncology Group (RTOG) criteria. The association between the irradiated bowel volume and acute intestinal toxicity was analyzed. Results A total of 26 (28%) patients experienced grade ≥2 acute intestinal toxicity. A strong relationship between grade ≥2 acute intestinal toxicity and the irradiated small bowel volume was observed at the total volume of small bowel, small bowel V5 Gy, V10 Gy and V15 Gy (all P<0.05). Small bowel V10 Gy (HR=1.028, 95%CI, 0.993‐1.062, P=0.029) and small bowelV15 Gy (HR=0.991, 95%CI, 0.969‐1.013, P=0.034)were the independent risk factors for evident acute intestinal toxicity. Conclusion Dose‐volume parameters of the small bowel can be used as predictors for the occurrence of grade ≥2 acute intestinal toxicity in cervical cancer patients undergoing postoperative adjuvant radiotherapy.
Fund:Jiangsu Key Project in Advanced Clinical Technique (BL2018657); Suzhou Project in Diagnosis and Treatment for Common Disease (LCZX202005); Medical Talent of Suzhou; Young Talent Support Project of the 2nd Affiliated Hospital of Soochow University(XKTJ-RC202007)
Corresponding Authors:
Tian Ye, Email: dryetian@126.com
Cite this article:
Xu Bichun,Guo Qi,Qian Jianjun et al. Correlation between acute intestinal toxicity and dose-volume parameters in patients with cervical cancer receiving postoperative adjuvant radiotherapy[J]. Chinese Journal of Radiation Oncology, 2023, 32(3): 235-240.
Xu Bichun,Guo Qi,Qian Jianjun et al. Correlation between acute intestinal toxicity and dose-volume parameters in patients with cervical cancer receiving postoperative adjuvant radiotherapy[J]. Chinese Journal of Radiation Oncology, 2023, 32(3): 235-240.
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