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中文摘要

《亚洲男性学杂志》 2011; 13 (3): 487-493

《亚洲男性学杂志》 2011; 13 (3): 487-493

在初始PSA和Gleason评分较高的前列腺癌病人中前列腺活检术后分期MRI对T3疾病的预测力会降低

Young Hwii Ko, Deuk Jae Sung, Sung Gu Kang, Seok Ho Kang, Jeong Gu Lee, Je Jong Kim and Jun Cheon (韩国)

为提高预测囊外扩展(ECE)和精囊浸润(SVI)的准确性,我们评估了影响MRI(磁共振成像)预测的变量,并估计了这些变量对术前MRI分期和病理结果之间准确性的影响。121名行机器手前列腺癌根治术(RALP)的局限性或局限性晚期前列腺癌病人,经直肠活检后,所有入选病人都接受了MRI的检查进行分期诊断。经过RALP后,只有43.8%(53/121)的病人与MRI的预测分期相匹配。与在ECE预测中的匹配组相比,非匹配组的初始前列腺特异抗原(PSA)明显高于匹配组(非匹配组12.8 ng mL-1,匹配组8.1 ng mL-1, P=0.048). 在对SVI的预测中,非匹配组中,初始PSA 8.1 vs. 17.3 ng mL-1, P=0.009 和穿刺活检Gleason评分 6.5 vs.7.6, P=0.035 均显著高于匹配组。如果把10 ng mL-1 和 20 ng mL-1的PSA水平作为临床临界值,预测ECE时,对于PSA水平高于20 ng mL-1的病人,MRI准确性会下降(75.6%,64.5%,37.5%,P= 0.01);对这组病人预测SVI时,MRI的准确性也会明显下降(91.5%, 77.4%, 37.5%, P<0.01)。如果把Gleason评分为7分作为临床临界值,对Gleason评分高于7分的病人,预测SVI时MRI的准确性也会显著下降(93.9%,82.1%,62.9%,P= 0.01)。因此,对于这些患者,为了获得前列腺癌根治术过程中的切缘阴性,能提供大量信息的是手术发现而不是活检后的MRI图像,暗示在前列腺活检以前进行MRI检查在临床上更有优势。

关键词:磁共振成像,肿瘤分期,前列腺肿瘤

 
Asian Journal of Andrology CN 31-1795/R ISSN 1008-682X  Copyright © 2023  Shanghai Materia Medica, Chinese Academy of Sciences.  All rights reserved.