Radiology:甲状腺结节实践指南--甲状腺结节大小与活检率

2019-09-20 佚名 MedSci原创

背景:目前学会指南对于甲状腺结节的评价诊断价值及非必要活检率良莠不齐。本研究做出不同指南的诊断价值和非必要活检率主要取决于不同甲状腺结节大小截断值。本研究旨在比较3种诊断指南下甲状腺结节恶性风险、诊断价值和非必需活检率,根据结节大小截断值进行活检的变化。 本研究共纳入了3190例患者的3323处甲状腺结节。根据美国甲状腺学会(ATA)、韩国甲状腺学会/韩国甲状腺放射学会(KTA/KSThR)

背景:目前学会指南对于甲状腺结节的评价诊断价值及非必要活检率良莠不齐。本研究做出不同指南的诊断价值和非必要活检率主要取决于不同甲状腺结节大小截断值。本研究旨在比较3种诊断指南下甲状腺结节恶性风险、诊断价值和非必需活检率,根据结节大小截断值进行活检的变化。

本研究共纳入了3190例患者的3323处甲状腺结节。根据美国甲状腺学会(ATA)、韩国甲状腺学会/韩国甲状腺放射学会(KTA/KSThR)和美国放射学会(ACR) 指南分析US征象。计算诊断继发的不必要活检率。ATA、KTA/KSThR指南大小截断值不一致,比较各自诊断价值及不必需活检率。

结果为,经手术切除或活检,共有856(25.8%) 处甲状腺结节被诊断为恶性。参照KTA/KSThR指南的敏感性最高(93.5% [300 / 321]),其次为ATA (92.5% [297 / 321])、ACR指南(60.1% [193 / 321])。参照ACR指南的最低(20.7% [401 / 1938])不必需活检率的特异性最高(75.2% [1216 / 1617], P < .001)。当ATA指南模型中以2.5cm为截断值改为1.5cm为截断值时,不必需活检率由55.1% (1068 / 1938, 1.5-cm cutoff) (P < .001)降低到43.6% (845 / 1938, 2.5-cm cutoff)。参照KTA/KSThR指南,不必需活检率由59.5% (1153 / 1938, 1.5-cm cutoff) (P < .001)降低到36.4% (706 / 1938, 2.5-cm cutoff)。

本研究表明,美国甲状腺学会、韩国甲状腺学会/韩国甲状腺放射学会指南对甲状腺结节的诊断价值及不必需活检率会受甲状腺结节大小截断值的影响。

原始出处:

Ha SM, Baek JH, Na DG,et al.Diagnostic Performance of Practice Guidelines for Thyroid Nodules: ThyroidNodule Size versus Biopsy Rates.Radiology.DOI:10.1148/radiol.2019181723

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    2021-09-01 1477ab07m21暂无昵称

    截断值(cut off value)即判断标准,是判定试验阳性与阴性的界值,既确定某项指标的正常值,以区分正常与异常。

    0

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    2021-06-29 ms4000000206232216

    学习了

    0

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