早期子宫内膜癌术后辅助治疗-课件.ppt
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1、早期子宫内膜癌术后辅助治疗,子宫内膜癌分期(FIGO2009),I 肿瘤限于子宫体 IA 肿瘤浸润深度1/2肌层 IB 肿瘤浸润深度1/2肌层II 肿瘤浸润宫颈间质,但无宫体外蔓延III 肿瘤局部和(或)区域扩散 IIIA 肿瘤累及浆膜层和(或附件)IIIB肿瘤累及阴道和(或)宫旁 IIIC盆腔淋巴结和(或)主动脉旁淋巴结转移 IIIC1盆腔淋巴结转移 IIIC2主动脉旁淋巴结转移伴有(或无)盆腔淋巴结转移IV肿瘤浸及膀胱和(或)直肠粘膜,和(或)盆腔淋巴结转移 IV1肿瘤浸及膀胱或直肠粘膜 IV2远处转移,包括腹腔内和(或)腹股沟淋巴结转移,手术病理分期(FIGO,1988,2009)Sur
2、gical Stage,2009b,2009,b,a,b,c,a,b,2009 a,手术病理分期(FIGO,1988,2009)Surgical Stage,a期:癌瘤浸润膀胱或直肠粘膜b期:远处转移,c2,c1,腹腔冲洗液,a,b,c,早期子宫内膜癌,GOG:仅考虑细胞分化程度和肌层浸润,5年生存率92.7%Relationgship between surgical-pathologic risk factors and outcome in stage I and II carcinoma of the endometrium:a Gynecologic Oncology Group s
3、tudy.Gynecol Oncol,1991,40:55-65.,I期术后的辅助治疗,II期术后辅助治疗,问题,哪些需要术后辅助治疗哪些腔内放疗足够哪些的确需要盆腔放疗,术后复发及转移的高危因素,高危因素:细胞学分化程度 肌层浸润 病理类型相对高危因素:年龄 脉管瘤栓 肿瘤大小 子宫下段(宫颈腺体)受累,Prognostic Factors,Effect of individual prognostic factors on relative risk to survivalPrognostic factorRelative riskEndometrioid histology Grade
4、11.0Grade 21.6Grade 32.6Serous histologyGrade 12.9Grade 24.4Grade36.6Myometrial penetration endometrium only1.0inner 1/31.2inner 2/31.6outer 1/33.0Positive washings 3.0Age 45 years1.065 years3.4Lymphovascular space involvement 1.5 Keys et Al.A phase III trial of Surgery vs with or without adjunctive
5、 external pelvic radiation therapy in intermediate risk endometrial adenocarcinoma:A Gynecologic Oncology Group study.Gynec.Oncology.92(3).744-751.2004,Prognostic Factors,危险因素 5年生存率多于2个 17%2个 66%无或1个 95%Creutzberg et Al.Surgery and postoperative radiotherapy versus surgery alone for patients with st
6、age-1 endometrial carcinoma;multicentric randomised trial.Lancet.355:1404-1411.2000,危险度分组I(Risk Classification),低危组(LR):肿瘤限于子宫,侵犯肌层50%,高、中分化中危组(IR):侵犯子宫肌层50%,或G3,或宫颈受侵。再根据3个高危因素:脉管瘤栓,外1/3肌层受累,分化程度(G2,G3)中高危(HIR):3个高危因素,任何年龄;2个高危因素及50至69岁;1个高危因素及70岁以上.中低危(LIR):除上述中高危组以外的中危组 高危组(HR):子宫外或淋巴结转移。Relation
7、gship between surgical-pathologic risk factors and outcome in stage I and II carcinomaof the endometrium:a Gynecologic Oncology Group study.Gynecol Oncol,1991,40:55-65.A phase III trial of surgery with or without adjunctive external pelvic radiation therapy in intermediate risk endometrial adenocarc
8、inoma:aGynecologic Oncology Group study.Gynecol Oncol.2004 Mar;92(3):744-51.,危险度分组II(Risk Classification),低危组(LR):局限于子宫内膜的G1和G2期的子宫内膜样腺癌中危组(IR):病变局限于子宫,但肌层受侵或宫颈间质受侵,包括 部分IA期,全部IB期,部分II期。再根据3个高危因素:脉管瘤栓,外1/3肌层受累,分化程度(G2,G3)中高危(HIR):3个高危因素,任何年龄;2个高危因素及50至69岁;1个高危因素,70岁以上.中低危(LIR):除上述中高危组以外的中危组 高危组(HR):
9、包括任何分化程度的宫颈大肿瘤受累,III期,IVA期,及特殊病理类型如papillary serous or clear cell uterine tumors Contemporary management of endometrial cancer.Lancet.2012 Apr 7;379(9823):1352-60.,危险度分组III(Risk Classification),低危组(LR):I期子宫内膜样腺癌,G1和G2期,肌层受侵50%中危组(IR):其它的I期子宫内膜样腺癌。中低危(LIR):年龄50%;G3肌层受侵60岁;G1或G2且肌层受累50%;G3肌层受侵50%,II期,
10、III期的子宫内膜样腺癌,及特殊病理类型如papillary serous or clear cell uterine tumors.Surgery and postoperative radiotherapy versus surgery alone for patients with stage-1 endometrial carcinoma:multicentre randomised trial.PORTEC Study Group.Post Operative Radiation Therapy in Endometrial Carcinoma.Lancet.2000 Apr 22;
11、355(9213):1404-11.The Role of Radiotherapy in Endometrial Cancer:Current Evidence and Trends。Curr Oncol Rep(2011)13:472478,低危组子宫内膜样腺癌IA期,肌层受侵50%,G1和G2期,5年生存率达95%以上;放疗不能改善局控率(包括阴道残端),总复发率及总生存率;增加治疗相关并发症局部复发后治疗仍取得高生存率。结论:不需要辅助治疗Elliott P,Green D,Coates A,et al.The efficacy of postoperative vaginal irr
12、adiation in preventing vaginal recurrence in endometrial cancer.Int J Gynecol Cancer 1994;4:8493.Karolewski K,Kojs Z,Urbanski K,et al.The effi ciency of treatment in patients with uterine-confined endometrial cancer.Eur J Gynaecol Oncol 2006;27:57984.Touboul E,Belkacemi Y,Buff at L,et al.Adenocarcin
13、oma of the endometrium treated with combined irradiation and surgery:study of 437 patients.Int J Radiat Oncol Biol Phys 2001;50:8197.Mariani A,Webb MJ,Keeney GL,Haddock MG,Calori G,Podratz KC.Low-risk corpus cancer:is lymphadenectomy or radiotherapy necessary?Am J Obstet Gynecol 2000;182:150619.Sorb
14、e B,NordstromB,Maenpaa J,et al.Intravaginal brachytherapy in FIGO stage I low-risk endometrial cancer:a controlled randomized study.Int J Gynecol Cancer 2009;19:87378.,中危组及高危组(早期子宫内膜癌),目前无令人信服的研究证实辅助治疗提高生存率。中低危组中高危组,Contemporary management of endometrial cancer.2012 Apr 7;379(9823):1352-60,术后辅助放疗,Th
15、e Norwegian trial,方法:540 患者,手术+镭腔内放疗后,随机分为不加盆腔放疗组及加盆腔淋巴结放疗.随访3-10年。结果:盆腔放疗组阴道残端及盆腔的复发率明显下降(1.9 vs 6.9%,P.01)盆腔放疗组远处转移率则增加(9.9 vs 5.4%).5年生存率无差异(91%vs 89%)G3,肌层浸润大于50%的患者在局控率和总生存率上可能受益(18%vs 27%),但样本量小,无统计意义。Aalders J,Abeler V,Kolstad P,Onsrud M.Postoperative external irradiation and prognostic param
16、eters in stage I endometrial carcinoma:clinical and histopathologic study of 540 patients.Obstet Gynecol.1980 Oct;56(4):419-27.,PORTEC-1,方法:715I期子宫内膜样腺癌,G1肌层浸润大于50%,G2,G3肌层浸润小于50%.TAH-BSO,随机分为术后体外放疗(46Gy/2Gy)和不加治疗组。结果:局部复发率:5年 4%vs 14%(p0.001),10年 5%vs 14%(p0.001)OS:5年 81%vs 85%(p=0.31).10年:68%vs 73
17、%(p=0.14)。肿瘤相关死亡率:5年 9%vs 6%(p=0.37).10年 10%vs 8%(p=0.47).治疗相关并发症:25%vs 6%(p0.0001).阴道复发后5年生存率64%,盆腔复发及远处转移11%。未加放疗组局部复发75%位于阴道残端,治疗后5年生存率70%。局部复发相关高危因素:G3,大于60岁,肌层浸润大于50%。Surgery and postoperative radiotherapy versus surgery alone for patients with stage-1 endometrial carcinoma:multicentre randomis
18、ed trial.PORTEC Study Group.Post Operative Radiation Therapy in Endometrial Carcinoma.Lancet.2000 Apr 22;355(9213):1404-11.Postoperative radiotherapy for Stage 1 endometrial carcinoma:long-term outcome of the randomized PORTEC trial with central pathology review.Int J Radiat Oncol Biol Phys.2005;63:
19、8348.,(Postoperative Radiation Therapy in Endometrial Carcinoma),PORTEC-1,结论:I期子宫内膜癌,术后放疗可降低局部复发率,但不提高总生存率.放疗增加治疗相关并发症.60 岁以下和G2肌层浸润小于50%的I期患者不建议术后放疗.Surgery and postoperative radiotherapy versus surgery alone for patients with stage-1 endometrial carcinoma:multicentre randomised trial.PORTEC Study
20、Group.Post Operative Radiation Therapy in Endometrial Carcinoma.Lancet.2000 Apr 22;355(9213):1404-11.Postoperative radiotherapy for Stage 1 endometrial carcinoma:long-term outcome of the randomized PORTEC trial with central pathology review.Int J Radiat Oncol Biol Phys.2005;63:8348.,GOG99,方法:448 IR(
21、IB,IC,and II),其中HIR 33%,TAH-BSO+淋巴结切除术,随机分成盆腔放疗(50.4Gy/1.8Gy)和不加治疗组。结果:OS无差异:4年 92%(放疗组)vs 86%(对照组)(RH:0.86;P=0.557).放疗减少局部(阴道及盆腔)复发:18(对照组)and 3(放疗组);HIR组CIR(累积复发率):2-year 26%(对照组)versus 6%(放疗组);4年27%vs 13%;HIR组复发率增加;LVSI与淋巴结转移,远处转移强相关。治疗相关严重并发症:4年13%;A phase III trial of surgery with or without ad
22、junctive external pelvic radiation therapy in intermediate risk endometrial adenocarcinoma:a Gynecologic Oncology Group study.Gynecol Oncol.2004 Mar;92(3):744-51.,GOG99,结论:早期子宫内膜癌中危组,术后辅助放疗降低复发风险,不提高总生存率术后辅助放疗限于HIR。术后放疗增加治疗相关并发症。A phase III trial of surgery with or without adjunctive external pelvic
23、 radiation therapy in intermediate risk endometrial adenocarcinoma:a Gynecologic Oncology Group study.Gynecol Oncol.2004 Mar;92(3):744-51.,ASTEC and EN5 trials,方法:905,FIGO stage IA and IB G3;IC 和IIA all grades;特殊病理类型,手术(淋巴结是否切除不限),随机体外放疗(40-46Gy)或观察.腔内治疗不限,包括观察组。结果:OS:5年两组均为84%,hazard ratio 1.05(95%
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