JCO:畸胎瘤对晚期生殖细胞肿瘤患者死亡率的影响

2019-06-25 海北 MedSci原创

至今为止,NSGCT细胞类型的重要性尚不确定。最近,研究人员评估了畸胎瘤对NSGCT患者生存的长期影响。

在患有转移性生殖细胞肿瘤(GCT)的男性中,风险定向治疗部分地通过精原细胞瘤和非精原细胞性GCT(NSGCT)的区别来确定。 但是,至今为止,NSGCT细胞类型的重要性尚不确定。

最近,研究人员评估了畸胎瘤对NSGCT患者生存的长期影响。

研究人员研究了来自接受铂类化疗的患者的原发性肿瘤,组织学由泌尿生殖系统病理学家确认。疾病相关死亡(CIDD)的累积发病率是主要终点,并进行了竞争风险分析。

该研究中的肿瘤来自232名患者,其中193名患有NSGCT。畸胎瘤的元素存在于82个NSGCT原发性肿瘤中(42%)。中位随访17年(范围0.3至35岁),58例NSGCT患者死亡,47例因GCT而死亡,11例因其他原因死亡。大多数GCT死亡发生在头5年内,与治疗前风险状态有关(P <.001)。 

15年后,由于其他原因导致的死亡人数稳步上升,与风险状况无关(P = .66)。患有畸胎瘤的NSGCT患者的CIDD高于没有畸胎瘤和精原细胞瘤的NSGCT患者(5年CIDD率,分别为27.4%,17.4%和10.3%; P = .03)。比起未患畸胎瘤的NSGCT患者或患有未成熟畸胎瘤的NSGCT患者,患有成熟畸胎瘤的NSGCT患者的CIDD较高(5年CIDD率分别为38.1%,19.9%和17.4%; P = .01) 。

因此,在NSGCT原发性肿瘤中存在畸胎瘤,特别是成熟畸胎瘤,与较高的CIDD相关,这与分化与不良结果相关的假设一致。非GCT原因导致的死亡与风险状态无关,在评估长期生存时必须与GCT死亡分开。


原始出处:

Funt SA et al. Impact of Teratoma on the Cumulative Incidence of Disease-Related Death in Patients With Advanced Germ Cell Tumors. JCO, 2019; doi: 10.1200/JCO.18.01608.


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    2020-05-27 lidong40
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    2019-06-25 医者仁心5538

    学习了

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