文献汇总
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part1 SCLC-PCI
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LD-SCLC PCI
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文献:Limited-stage small cell lung cancer: is prophylactic cranial irradiation necessary
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结论 PCI能改善PFS,CR病人从PCI获益少
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文献:is prophylactic cranial irradiation useful in real world
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PCI在降低脑转移发生率上效果显著
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文献:factors affecting the risk of brain metastasis in limited-stage small cell lung cancer after prophylactic cranial irradiation
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结论:肿瘤≥5cm,病例III期患者行PCI后脑转移几率增加
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文献:reduction in whole brain volume is associated with decline in verbal memory following prophylactic cranial irradiation for limited-stage small-cell lung cancer
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首次证实PCI过程中,大脑体积的缩小与认知障碍下降有关,但更需要进一步的研究证实
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MR imaging evaluation before prophylactic cranial irradiation in limited stage small cell lung cancer: prophylactic or therapeutic?
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结果:对于LD-SCLC,应高度重视PCI前脑转移的发生,尤其是对无症状脑转移。脑转移灶可能很小,无法经CT检查发现。PCI前应该行MRI检查排除脑转移
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ED-SCLC PCI
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文献:nationwide shift in patterns of prophylactic cranial irradiation utilization for extensive-stage small cell lung cancer patients
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结论:Takahashi研究使美国放疗医生对ED-SCLC患者PCI的使用率显著下降;参与调研者期待SCLC患者主动MRI监测对比PCI的RCT研究
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文献 prophylactic cranial irradiation in stage IV small cell lung cancer:selection of patients amongst European IASLC and ESTRO experts
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结论:放射肿瘤专家建议应用PCI因素:病人的身体状况好,年轻,化疗反应好(CR/PR)
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文献 risk stratification of symptomatic brain metastases by clinical and FDG PET parameters for the selective use of prophylactic cranial irradiation in patients with extensive disease of small cell lung cancer
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结论:PCI营选择性应用于症状性脑转移高风险的患者
- 对于有四种症状性脑转移危险因素:胸外转移灶、FDG PET显示骨髓或脾高代谢、化疗后疾病进展、血红蛋白升高,PCI改善无脑转移生存,但是未改善OS
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文献 redefining the role of prophylactic cranial irradiation in the modern erra of active surveillance in small cell lung cancer
- 定义
- PCI主要目的所示显著降低症状性或隐匿性脑转移的发生
- PCI人群的再定义:发生脑转移风险持续性增加,最终能从PCI获益的人群
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建议
- LD-SCLC:PCI应当仍是LD-SCLC(T1-4,N0-3)的标准治疗方式
- ED-SCLC:尚存在争议,积极的MRI监测可考虑。初始治疗前后MRI应当每3个月监测一次并持续至少1年
- 定义
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SCLC-PCI海马保护
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文献:phase III trial of prophylactic cranial irradiation with or without Hippocampal avoidance for SMALL-CELL LUNG Cancer
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HA-PCI有利于维持神经认知功能,但对OS ,治疗毒性,脑转移发生率无影响
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文献:the incidence and location of brain metastases following HA-PCI compared with standard PCI in small cell lung cancer(SCLC):a phase III trial
- 结论:标准PCI和HA-PCI在脑转移发生率方面无明显差别
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part3 SCLC脑转移-SRS
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文献 upfront stereotactic radiosurgery in patients with brain metastases from small cell lung cancer
- 结论 SRS可作为SCLC脑转移的一种治疗方案,可减少脑损伤
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文献 stereotactic radiosurgery for small cell lung cancer brain metastases
- 结论 SRS局部失败率较低,在SCLC脑转移中可优先应用
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