前列腺癌靶区勾画(gōuhuà)中国医科院肿瘤医院第一页,共五十三页。前列腺癌发病率和死亡率国别发病率死亡率美国23万(95.1/10万)3万中国7/10万(城市8.51/10万)2.72/10万第二页,共五十三页。GroupMSKCC(T1-T21819)ClevelandClinicFoundation(localizedprostatecancer1682)Cases7-yearbRFSCases8-yearbRFSBrachy73374%EBRT34077%62870%,RP74679%105472%P=0.1P>0.05RadiotherOncol.2004Apr;71(1):29-33.JClinOncol.2002Aug15;20(16):3376-85.第三页,共五十三页。对于局限期前列腺癌,根治性前列腺切除与放射治疗疗效(liáoxiào)相当第四页,共五十三页。解剖第五页,共五十三页。AnatomyYellow:PeripheralglandBlue:TransitionalzoneRed:CentralglandGreen:Anteriorfibromuscularzone第六页,共五十三页。(bāokuò)前列腺精囊腺盆腔(pénqiāng)淋巴引流区第七页,共五十三页。(qíngkuàng)第八页,共五十三页。CTV=prostate{(+SV)+LN}第九页,共五十三页。andTstagesP=:3/2(PSA)+(Gleasonscore–3)x10Partin’sTablesRoachIII.JUrol150:1923-24,1993第十页,共五十三页。WangL,Radiology2004MSKCC:RP术后,185/712(26%)中位包膜外扩展距离2mm0.5-12mm平均包膜外扩展距离2.93mmSD±2.3mm第十一页,共五十三页。勾画(gōuhuà)前列腺CTV时,幷不必刻意外扩很大边界第十二页,共五十三页。(jīngnáng)第十三页,共五十三页。KestinetalIJROBP2002WilliamBeaumont:RP术后,51/344,81SV+中位SV长度3.5cm0.7–8.5cm中位SV侵犯长度1.0cm(7%>1.0Cm1%>2.0Cm)0.2–3.8cm第十四页,共五十三页。LowRiskIntermediateRiskHighRisk1high-risk2high-risk3high-risk1%15%15%32%58%27%KestinetalIJROBP2002第十五页,共五十三页。SVinvolvementKestinetalIJROBP2002第十六页,共五十三页。WhentreatingtheSVforprostatecancer,onlytheproximal2.0–2.5cmbeincludedwithintheCTVKestinetalIJROBP2002第十七页,共五十三页。P=(PSA)+(Gleasonscore–6)x10Partin’sTablesRoachIII.JUrol150:1923-24,1993第十八页,共五十三页。(línbā)第十九页,共五十三页。18patientswithpathologicallyprovenlymphnodemetastasesNodalLocationlymphnodemetastases(N)ParaAortic14Commoniliac13ExtIliac29IntIliac11Perirectal2Total69ShihetalIJROBPNov2005MassachusettsGeneralHospital第二十页,共五十三页。第二十一页,共五十三页。...