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1、放療在結(jié)直腸腫瘤綜合治療中的應(yīng)用2009年美國癌癥病種死亡比例ONS=Othernervoussystem.Source:AmericanCancerSociety,2009.26%Lung&bronchus15%Breast9%Colon&rectum6%Pancreas5%Ovary4%Non-Hodgkinlymphoma3%Leukemia3%Uterinecorpus2%Liver&intrahepaticbileduct2%Brain/ONS25%AllothersitesMen292,5
2、40Women269,800Lung&bronchus30%Prostate9%Colon&rectum9%Pancreas6%Leukemia4%Liver&intrahepatic4%bileductEsophagus4%Urinarybladder3%Non-Hodgkinlymphoma3%Kidney&renalpelvis3%Allothersites25%全球大腸癌發(fā)病狀況(1)中國結(jié)直腸癌發(fā)病率僅次于肺、胃、肝癌位于第四位死亡率僅次于肺、肝、胃癌位于第四位每年10萬以上患者死于結(jié)直腸癌
3、,且死亡人數(shù)正逐年增加規(guī)范治療、提高生存率是重中之重萬(人數(shù))楊玲等.中國衛(wèi)生統(tǒng)計(jì),2005;22(4):218-231中國發(fā)病狀況資料來源:Jemal.CACancerJClin.2008;58:71.局部侵犯遠(yuǎn)處轉(zhuǎn)移區(qū)域侵犯不同分期相應(yīng)的5年生存率Survival(%)90%68%10%010203040506070809010068%90%區(qū)域侵犯遠(yuǎn)處轉(zhuǎn)移19%39%36%診斷分期局部侵犯全球大腸癌發(fā)病狀況(2)TNMstage5ysurvivalⅠT1-2N0M090%ⅡAT3N0M060%-85
4、%ⅡBT4N0M0ⅢAT1-2N1M025%-65%ⅢBT3-4N1M0ⅢCAnyTN2M0ⅣanyTanyNM15%-7%直腸癌術(shù)后5年生存率全球大腸癌發(fā)病狀況(3)5yrelativeOSofCRC2001-2007,66.0%1996-2000,63.6%;1993-1995,60.1%;1990-1992,61.4%;1987-1989,59.8%;1984-1986,57.9%;1981-1983,54.3%;1978-1980,51.4%;1975-1977,50%;theim
5、provementof5-yearsOSisattributableto:(1)dagnosisatearlystage;(2)MDT(3)optimalsurgery(TME);(4)moreagentsavailable;(5)chemoradiationinrectalcancer全球大腸癌發(fā)病狀況(4)Maincausesoffailure:(1)Localrecurrenceafterradicalsurgery:T1-2N0M0:<10%;T3N0M0、T1N1M0:15%~35%;T3-4N
6、1-2M0:45%~65%(2)metastases全球大腸癌發(fā)病狀況(5)直腸癌的輔助治療術(shù)后放療術(shù)前放療術(shù)前放化療術(shù)后放化療TME需要輔助治療?Whatisthestandardadjuvanttherapyforresectablecolorectalcancer?Question1:whichisbetterpostoperativeRTorsurgeryaloneforrectalcancer?(術(shù)后放療vs單純手術(shù))?術(shù)后放療vs單純手術(shù)Lancet,358:1291-1304,20017
7、項(xiàng)術(shù)后放療RCT薈萃分析:局部復(fù)發(fā)率Question2:whichisbetterpreoperativeRTorsurgeryaloneforrectalcancer?(術(shù)前放療vs單純手術(shù))?單純術(shù)前放療的療效研究組年代治療組病例數(shù)總量/單次量(Gy)手術(shù)間隔(天)5y局部復(fù)發(fā)率(%)p5yOS(%)p美國VASOGⅠ(1975)RT+S20/21429<0.0543.40.042S4031.6美國VASOGⅡ(1986)RT+S18031.5/1.75立即10<0.0550.30.997S181
8、2149.6英國MRCⅠ(1984)RT+S2775/5754.40.741.7>0.9S27220/2752.940.0英國MRCⅡ(1996)RT+S13940/245400.04310.10S1405228歐洲EORTC(1988)RT+S22434.5/2.311150.00351.60.69S2263049斯德哥爾摩Ⅰ(1990)RT+S42425/57不詳<0.0136NSS42536斯德哥爾摩Ⅱ(1996)RT+