Eur Radiol:对于低风险局灶性前列腺癌,MRI上哪些征象提示肿瘤进展呢?

2021-02-04 shaosai MedSci原创

有些前列腺癌病灶处在进展低风险时,直接做手术有点不值当的,不做手术吧又有点不放心!那对于这样的前列腺癌,我们该拿它如何是好呢?

     有些前列腺癌病灶处在进展低风险时,直接做手术有点不值当的,不做手术吧又有点不放心!那对于这样的前列腺癌,我们该拿它如何是好呢?

 积极检测(AS)是当前局灶性低风险前列腺癌患者被推荐的指导方案。AS的目的主要是减少过度治疗的同时识别肿瘤进展,进展程度可控在可治愈性时间窗内。

      多参数磁共振成像(mpMRI)检查现被作为AS方案中不可或缺的一部分。然而,随访观察主要基于联合前列腺特异抗原(PSA)、数字直肠检查和再分期活检等临床综合信息。该方案中有创性的活检方法使得部分患者对AS望而却步,而MRI扫描由于其无创性对有创性评估方法具有一定的替代作用。因此,mpMRI在AS随访方案中的角色越来越重要。不过,对评价影像学上进展征象的一致性却参差不齐。那么,找出一种具有可靠性的mpMRI评估方案的呼声越来越高。


      近日,Eur Radiol上发表的一篇名为MRI-derived PRECISE scores for predicting pathologically-confirmed radiological progression in prostate cancer patients on active surveillance的论文通过建立接受积极监测(AS)的前列腺癌(PCa)患者前列腺癌影像学系列评估中变化(PRECISE)系统,明确PRECISE系统提示进展的预测价值及其与病理进展的相关性。

      本研究纳入2011年至2018年间参加AS研究的295名PCa患者。在AS开始时首先进行基线多参数磁共振成像(mpMRI)以备活检。 两名分别拥有10年和13年经验的泌尿放射科医生对随访的mpMRI研究进行了前瞻性评估。 在最佳截断值4的临界值将患者PRECISE评分分为两组,并计算其灵敏度、特异性、阳性预测值和阴性预测值。基于联合MRI-US指导活检结果来建立ROC曲线,利用ROC 曲线下面积来评价诊断性能。利用Cox回归进行单变量分析评估基线时临床和mpMRI参数与AS疾病进展的相关性。

图. PRECISE评分1。PSA为4.53ng/ml的62岁男性患者。

图. PRECISE评分2。PSA为3.4ng/ml的72岁男性患者。

图. PRECISE评分4。PSA为3.09ng/ml的66岁男性患者。

图. PRECISE评分5。PSA为5.1ng/ml的68岁男性患者。

图. PRECISE评分系统在评价处在AS的前列腺癌患者的价值

      在52个月的中位随访中,该队列的进展率为13.9%(41/295)。 临界值≥4时,Precise评分系统显示出预测AS进展的敏感性、特异性、PPV和NPV分别为0.76、0.89、0.52和0.96。 AUC为0.82(95%CI = 0.74-0.90)。 仅有前列腺特异性抗原密度(PSA-D)、李克特病灶评分和病灶大小是肿瘤进展的基线预测指标(均p <0.05)。

      PRECISE评分系统对评估前列腺癌肿瘤进展具有良好诊断效能,其较高的NPV可能有助于减少AS患者所需的随访活检次数。


原始出处:

Iztok Caglic,Nikita Sushentsev,Vincent J Gnanapragasam,et al. MRI-derived PRECISE scores for predicting pathologically-confirmed radiological progression in prostate cancer patients on active surveillance.DOI:10.1007/s00330-020-07336-0

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  3. [GetPortalCommentsPageByObjectIdResponse(id=1737217, encodeId=f2191e37217c2, content=<a href='/topic/show?id=611e8312358' target=_blank style='color:#2F92EE;'>#肿瘤进展#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83123, encryptionId=611e8312358, topicName=肿瘤进展)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c47234265932, createdName=ms8435843352634314, createdTime=Fri Apr 02 06:21:47 CST 2021, time=2021-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2009698, encodeId=60d1200969875, content=<a href='/topic/show?id=c7804e581bc' target=_blank style='color:#2F92EE;'>#局灶性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47581, encryptionId=c7804e581bc, topicName=局灶性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=226a143, createdName=cathymary, createdTime=Sun Jul 04 06:21:47 CST 2021, time=2021-07-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922955, encodeId=0dd192295547, content=厉害啦, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=969d2873055, createdName=走,走走, createdTime=Fri Feb 05 07:51:30 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922942, encodeId=a4e6922942f5, content=涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210127/50a003c4097845e182c08afd64d8a509/bd766dfebe9c40e0bca2dae964601bdc.jpg, createdBy=22de5454917, createdName=carrotlyl, createdTime=Fri Feb 05 07:12:34 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040948, encodeId=b5b51040948ba, content=前列腺癌相关研究,学习了,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Fri Feb 05 02:21:47 CST 2021, time=2021-02-05, status=1, ipAttribution=)]
    2021-02-05 走,走走

    厉害啦

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1737217, encodeId=f2191e37217c2, content=<a href='/topic/show?id=611e8312358' target=_blank style='color:#2F92EE;'>#肿瘤进展#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83123, encryptionId=611e8312358, topicName=肿瘤进展)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c47234265932, createdName=ms8435843352634314, createdTime=Fri Apr 02 06:21:47 CST 2021, time=2021-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2009698, encodeId=60d1200969875, content=<a href='/topic/show?id=c7804e581bc' target=_blank style='color:#2F92EE;'>#局灶性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47581, encryptionId=c7804e581bc, topicName=局灶性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=226a143, createdName=cathymary, createdTime=Sun Jul 04 06:21:47 CST 2021, time=2021-07-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922955, encodeId=0dd192295547, content=厉害啦, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=969d2873055, createdName=走,走走, createdTime=Fri Feb 05 07:51:30 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922942, encodeId=a4e6922942f5, content=涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210127/50a003c4097845e182c08afd64d8a509/bd766dfebe9c40e0bca2dae964601bdc.jpg, createdBy=22de5454917, createdName=carrotlyl, createdTime=Fri Feb 05 07:12:34 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040948, encodeId=b5b51040948ba, content=前列腺癌相关研究,学习了,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Fri Feb 05 02:21:47 CST 2021, time=2021-02-05, status=1, ipAttribution=)]
    2021-02-05 carrotlyl

    涨知识

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1737217, encodeId=f2191e37217c2, content=<a href='/topic/show?id=611e8312358' target=_blank style='color:#2F92EE;'>#肿瘤进展#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83123, encryptionId=611e8312358, topicName=肿瘤进展)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c47234265932, createdName=ms8435843352634314, createdTime=Fri Apr 02 06:21:47 CST 2021, time=2021-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2009698, encodeId=60d1200969875, content=<a href='/topic/show?id=c7804e581bc' target=_blank style='color:#2F92EE;'>#局灶性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47581, encryptionId=c7804e581bc, topicName=局灶性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=226a143, createdName=cathymary, createdTime=Sun Jul 04 06:21:47 CST 2021, time=2021-07-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922955, encodeId=0dd192295547, content=厉害啦, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=969d2873055, createdName=走,走走, createdTime=Fri Feb 05 07:51:30 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922942, encodeId=a4e6922942f5, content=涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210127/50a003c4097845e182c08afd64d8a509/bd766dfebe9c40e0bca2dae964601bdc.jpg, createdBy=22de5454917, createdName=carrotlyl, createdTime=Fri Feb 05 07:12:34 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040948, encodeId=b5b51040948ba, content=前列腺癌相关研究,学习了,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Fri Feb 05 02:21:47 CST 2021, time=2021-02-05, status=1, ipAttribution=)]
    2021-02-05 misszhang

    前列腺癌相关研究,学习了,谢谢梅斯

    0

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