费城染色体阴性髓增殖新生瘤患者中第二次恶性瘤的风险和结果:A SEER数据库分析
Rahul Mishra1, Arindam Bagga2, Noha Sharafeldin3
1Department of Internal Medicine, Anne Arundel Medical Center, Annapolis, MD.
JCO oncology practice
|December 15, 2025
概括
患有骨髓扩散性瘤 (MPNs) 的患者面临患第二种癌症的风险更高,这会影响存活率. 早期癌症查和持续监测对于管理这种增加的风险至关重要.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 流行病学 流行病学
背景情况:
- 骨髓增殖性瘤 (MPNs),包括真多细胞血症 (PV),基本血栓血症 (ET) 和原发性骨髓纤维化 (PMF),与二次恶性瘤的发病率增加有关.
- 了解这些第二种癌症的模式,风险因素和结果对于改善患者护理至关重要.
研究的目的:
- 描述诊断为MPNs的患者中第二恶性瘤的模式,风险因素和结果.
- 改进有关MPN人群中随后癌症风险增加的知识.
主要方法:
- 利用SEER数据库 (2000-2021) 来识别患有MPN的患者.
- 评估了同步瘤 (SYN),第二次原发性恶性瘤 (SPM) 和二次急性髓性白血病 (s-AML) 的发生率,模式和危险因素.
- 计算标准化发病率 (SIRs) 来比较MPN队列与普通人群中的SPM和s-AML风险.
主要成果:
- 在43,930名MPN患者中,1.6%患有SYN,9.1%患有SPM,1.5%患有s-AML.
- 肺癌,前列腺癌,乳腺癌和结直肠癌是最常见的SPM;肺癌风险在PV和ET中升高.
- 在MPN诊断时的年龄较大和男性性别增加了SPM风险. 总体上SPM风险高于一般人群 (SIR 1.14),血液性SPM (SIR 1.70) 和s-AML (SIR 19.36) 的风险显著更高.
- SPM的发展与中位生存时间 (125个月与184个月) 的减少有关. 在PV,ET和PMF亚型中,s-AML显著降低了生存率.
结论:
- 与普通人群相比,患有MPN的患者患第二恶性瘤的风险较高,与生存率下降相关.
- 建议对MPN患者进行常规癌症查,包括皮肤学检查和长期监测.
- 需要进一步的研究来确定导致MPN患者患第二种癌症风险增加的具体因素.
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