JCEM:二次放射性碘治疗受益几何?

2017-11-06 MedSci MedSci原创

众所周知在分化型甲状腺癌(DTC)行甲状腺全切除后常建议放射性碘治疗(RAI)。但是,它在生化或局部区域持续性的DTC中的作用尚不清楚。近日在JCEM上发表的一篇文章则研究了二次RAI治疗对于初次治疗不完全应答且没有远处转移的患者的影响。

众所周知在分化型甲状腺癌(DTC)行甲状腺全切除后常建议放射性碘治疗(RAI)。但是,它在生化或局部区域持续性的DTC中的作用尚不清楚。近日在JCEM上发表的一篇文章则研究了二次RAI治疗对于初次治疗不完全应答且没有远处转移的患者的影响。

该研究纳入了超过20年病程至少接受过两次RAI的患者。对RAI治疗前和治疗后1-2年的甲状腺球蛋白水平和颈部成像进行比较,并在最后一次随访时进行评估。

该研究共纳入164例患者(女性103例,中位年龄46.6±17 岁)。114例患者未再次行手术治疗,53例患者有器质性疾病。在RAI治疗后1-2年,有充分数据的41例患者中10例发生了器质性疾病,5例分辨率/收缩,26例病情稳定。刺激性甲状腺球蛋白(stTg)在再治疗前、后分别为93.7.1±108 ng/ml和102.2±124 ng/ml(P=NS)。其他61例患者仅有生化持久性,他们的stTg水平从41.9±56降到24.6±54 ng/ml(p=0.003)。50例在RAI再治疗前接受颈部二次手术的患者stTg没有表现出显着的变化;21例(42%)在1-2年后仍有影像学表现。在最后的随访中,尽管有63/164例患者接受了额外的治疗,只有56/164例(34.1%)没有疾病。

该综合性研究表明,二次RAI治疗对于有生化或局部区域器质性持续性疾病的DTC患者受益有限,故而需要进行前瞻性的研究来区分重复RAI治疗的患者,以减少不必要的暴露。

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    2018-01-03 smallant2015
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    2018-10-04 achengzhao
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