Blood:代替多位点骨穿活检确定风险风采的新方法——局部病损大小数量指示风险风层

2018-05-22 MedSci MedSci原创

中心点:对于新确诊的骨髓瘤患者,存在≥3个大面积局部病损,预后不良。多发大面积局部病损的预测意义独立于R-ISS、GEP70和髓外疾病之外。摘要:在多发性骨髓瘤(MM)中常可见到空间内部肿瘤异质性,这对依赖于髂嵴穿刺的肿瘤样本的风险分层来说是一个巨大挑战。鉴于对多个骨骼部位进行活检评估比较困难,我们需要可代替的风险分层方法。近日发现,局部病损(FL)的大小似乎可作为空间异质性的替代标志物,提示医学

中心点:

对于新确诊的骨髓瘤患者,存在≥3个大面积局部病损,预后不良。

多发大面积局部病损的预测意义独立于R-ISS、GEP70和髓外疾病之外。

摘要:

在多发性骨髓瘤(MM)中常可见到空间内部肿瘤异质性,这对依赖于髂嵴穿刺的肿瘤样本的风险分层来说是一个巨大挑战。鉴于对多个骨骼部位进行活检评估比较困难,我们需要可代替的风险分层方法。

近日发现,局部病损(FL)的大小似乎可作为空间异质性的替代标志物,提示医学影像数据或许可用于提高风险分层。在此,Leo Rasche等人在404位可移植的新确诊的MM患者中评估FL大小的预测意义。

通过弥散加权MRI加上背景抑制(DWIBS),研究人员发现出现多个大面积FLs或可作为有力的预测因子。出现3个及以上大FLs、垂直直径>5cm2的MM患者的无进展存活期(PFS)和总体存活期(OS)均较短(中位值分别是2.3年和3.6年)。出现多个大面积FLs,可见于13.8%的患者,而且其预测意义并不依赖于修订版国际分期系统、基于表达谱的风险评估、增益(1q)或髓外疾病(多因素分析的PFS和OS的风险比分别是2.7和2.2)。根据FL大小校正后,FLs的数量失去其对预后的负性影响。

总而言之,出现3个及以上的大FLs是存在高风险的特征,可用于细化诊断该类型疾病行为,并作为风险分层试验的纳入标准。

原始出处:

Leo Rasche,et al.The presence of large focal lesions is a strong independent prognostic factor in multiple myeloma.Blood  2018  :blood-2018-04-842880;  doi: https://doi.org/10.1182/blood-2018-04-842880

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    2018-05-24 smlt2008
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    2018-05-24 chg122
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    2018-05-22 1209e435m98(暂无昵称)

    学习了.谢谢分享

    0

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    2018-05-22 183****7028

    学习

    0

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