辐射诱导肉瘤 (RIS) 的临床人口统计特征和结果:一个CanSaRCC研究
Mauricio Fernando Ribeiro1, Hagit Peretz Soroka1, Zainab Bhura1
1Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, ON, Canada.
Therapeutic advances in medical oncology
|October 2, 2023
概括
辐射诱导的肉瘤 (RIS) 是罕见的和积极的. 这项研究确定了较大的瘤大小,高等级和年龄较大是RIS患者整体存活的不良预后因素.
科学领域:
- 在瘤学瘤学.
- 医学研究 医学研究
- 临床试验 临床试验
背景情况:
- 辐射诱导性瘤 (RIS) 是一种具有攻击性行为的罕见恶性瘤.
- 对RIS的最佳管理策略仍然不确定,因为它们的发生不频繁.
- 了解预后因素对于改善患者治疗结果至关重要.
研究的目的:
- 调查辐射诱导瘤 (RIS) 的预后因素和临床结果.
- 分析来自加拿大肉瘤研究和临床合作 (CanSaRCC) 数据库的数据.
- 确定被诊断患有RIS的患者生存的关键决定因素.
主要方法:
- 在1996年至2021年间在加拿大三个中心接受治疗的107名RIS患者的回顾性分析.
- RIS定义为先前照射过场中的肉瘤,其潜伏期超过3年,并具有独特的组织学.
- 使用Kaplan-Meier和Cox回归模型分析了新辅助化疗 (NACT) 的整体存活率 (OS) 和响应率 (RR).
主要成果:
- 该研究包括107例RIS病例,乳腺血管肉瘤 (BAS) 是最常见的亚型 (n=54).
- 患者主要是女性 (79%),最初治疗乳腺癌 (50.5%).
- 更糟糕的OS的独立预后因素包括更大的瘤大小,高组织学等级和诊断时的年龄. 纳克显示68%的RR,特别高在巴斯 (89.5%).
结论:
- 手术仍然是RIS的标准治疗方法.
- 新辅助化疗 (NACT) 可能有助于降低大病变的发展阶段,特别是在BAS.
- 提高对RIS的认识和多机构合作对于推动研究和管理至关重要.
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