在MRI上前列腺尿道的长度可能预测前列腺癌辐射后晚期生殖尿道毒性
Joseph Lee1, Sirisha Nandalur1, Allison Hazy1
1Department of Radiation Oncology, Corewell Health William Beaumont University Hospital, Royal Oak, Michigan (J.L., S.N., A.H., H.Y., D.K., T.Q., K.M.); Medical School, Oakland University William Beaumont School of Medicine, Rochester, Michigan (J.L., S.N., A.H., S.A.K., K.K., H.Y., N.K., A.D., D.K., T.Q., K.R.N.).
Academic radiology
|October 20, 2023
概括
在前列腺MRI治疗前,更长的前列腺尿道长度预测前列腺癌放射治疗后晚期生殖尿道毒性风险更高,有助于预测生活质量.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
背景情况:
- 生殖尿路 (GU) 毒性是前列腺癌放射治疗 (RT) 的常见副作用.
- 预测GU毒性风险对于管理患者的生活质量至关重要.
研究的目的:
- 评估是否治疗前的定量磁共振成像 (MRI) 测量和临床特征可以预测前列腺癌后的GU毒性RT.
主要方法:
- 对361名前列腺癌患者进行了回顾性队列研究.
- 分析了治疗前的MRI测量 (尿道,前列腺,膀) 和临床数据.
- 使用CTCAE v4.0评估GU毒性,使用后勤和考克斯回归模型.
主要成果:
- 支臂疗法与急性GU毒性增加有关.
- 更长的尿道长度 (MUL) 与急性GU毒性降低有关.
- 更长的前列腺尿道长度独立地预测了晚期GU毒性的风险增加,特别是尿动频率/紧急性.
结论:
- 在MRI上预治疗前列腺尿道长度是前列腺RT后晚期GU毒性的显著预测因素.
- 这一指标可能有助于改善后RT生活质量的风险分层模型.
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