·乳腺癌和妇科肿瘤·

DIII 001

Progress in Breast Cancer Therapy

 

Clifford Hudis, M.D.

Chief, Breast Cancer Medicine Service Associate Attending Physician

Memorial Sloan-Kettering Cancer Cneter

NY, NY, USA

 

Breast cancer is the most common life-threatening malignancy in many parts of the world but the death rates from it are falling with the widespread adoption of screening and the broadened use of optimal treatments. As treatment evolves, new challenges and choices are presented to the physicians caring for these patients. Several recent developments include the broadened use of sentinel lymph node mapping and dissection in place of the traditional axillary procedure, the development of improved hormone therapy options, the evolution of chemotherapy choices, and the availability of entirely new modalities, such as trastuzumab.

 

Sentinel node mapping and dissection was initially developed as a method of avoiding complete axillary dissection in the majority of women with uninvolved axillary nodes. In the quest to avoid missing potentially positive nodes, enhanced pathology testing was performed routinely on the sentinel nodes. As a consequence, there has been increased detection of micrmetastatic disease but there is inadequate data to guide clinicians as they attempt to judge the risk associated with these findings. A provocative retrospective study suggests that microscopic nodal involvement may be significant.

 

Historically, ovarian ablation and tamoxifen were the standard hormonal therapies for women with metastatic breast cancer and both have been used in the adjuvant setting ase well. Aromatase inhibitors were available but were toxic because of their lack of selectivity. The recent development of selective aromatase inhibitors has allowed clinicians to use this class of therapy with far less concern for side effects. As a class, these drugs have been shown to be equal to or better than tamoxifen in post-menopausal women in both the advanced and adjuvant settings. Their optimal use remains undefined.

 

Combination chemotherapy in the adjuvant setting reduces the risks of relapse and death for patients with invasive breast cancer and adds to the benefits obtained with hormonal treatments. Standard chemotherapy regimens have generally included two or more drugs given over a period of 12 to 24 weeks or longer. In general, anthracycline-containing regimens are superior to those without these agents, treatments longer than six months are not advantageous, and very high dose-regimens - meaning those that require autologous stem cell support - have not proven significantly or consistently superior. Against this background, the development of the taxanes in the 1990's was important because these drugs appeared to be non-cross resistant, had partially non-overlapping toxicities, and were highly active. Hence, many adjuvant therapy trials testing the value of taxanes were developed and are now providing information on their role. To date, nearly every adequately sized and adequately followed trial testing these agents (paclitaxel and docetaxel) in the adjuvant or neoadjuvant setting has been positive and a role for them is broadly accepted.

 

Further improvements in our use of chemotherapy in the adjuvant setting are possible even without the development of new drugs. In particular, the availability of granulocyte-colony stimulating factor has allowed us to test dose-escalation (without significant benefit) and shortened time between chemotherapy ("dose-density"). The latter approach has been shown to be beneficial.

 

In the near future we can expect to define a role for trastuzumab in the adjuvant setting, and to develop a variety of additional targeted therapies. This lecture will review each of these topics in detail.

 

DIII 002

乳腺肿瘤内分泌激素检查与
选择性抗雌激素药和中药联合治疗

 

陈承祺

361003  福建省厦门市第一医院

 

  癌症与内分泌激素相互影响关系是错综复杂的重要科研课题,乳腺增生病和乳腺癌的病因及发病机理与内分泌功能紊乱密切相关。长期受内、外多因素影响,使机体内出现功能性性激素失调,发展至垂体激素紊乱,免疫功能受抑制,形成多巴胺rhGHGHFSHE2;;; 去甲肾上腺素GHS.SIGF激素各项增高,E2IGF激素协同作用,产生酶类代谢障碍,抑癌基因P53突变,癌基因被高危型病毒(HPV致癌基因)释放病毒颗粒E5E6E7蛋白在肿瘤细胞中转入而被激活,新生血管形成机理,提供诊断与治疗的理论依据。

 

DIII 003

CT对小乳癌及腋窝淋巴结转移的诊断及
对手术方式选择的指导价值

 

陈 辉  周新平  顾占军  杨 睿

100730 卫生部北京医院外科

 

  目的:探讨CT扫描对小乳癌、隐匿性乳癌及腋窝淋巴结转移的诊断及对手术方式选择的指导价值。方法:采用俯幸卧位或仰卧位,扫描范围一般自乳房下界至腋窝顶,发现病变部位行溥层扫描,快速注入造影剂后测量相应层面的最高CT值。结果:CT扫描对小乳癌诊断准确性明显优于其它影像诊断方法,腋窝淋巴结转移的诊断假阳性及假阴性率较高。结论:CT扫描对小乳癌的诊断有一定价值。因腋窝淋巴结转移的诊断假阴性及假阳性率较高对手术方式的选择仅能参考,不能做为依据。

 

DIII 004

III期乳腺癌综合治疗的前瞻性研究

 

程光惠

130021 吉大二院放疗科

 

  目的:探讨提高Ⅲ期乳腺癌疗效的方法。方法:前瞻性随机分组研究85例Ⅲ期乳腺癌患者,28例进入A(化疗+手术+放疗),放疗后配合辅助化疗,28例进入B(手术+化疗+放疗)29例进入C(手术+放疗+化疗)。观察3个组的5年生存率、局部区域复发率和远处转移率差异有无显著性。结果:全组5年生存率为57.65% 各组5年生存率分别为75.00%53.57%44.83%AC组比较差异有显著性(P0.05)。全组局部区域复发率18.82%,各组局部区域复发率分别为7.14%32.14%17.24%,其中A组与B组比较差异有显著性(P0.05)。全组远处转移率18.82%,各组远处转移率分别为7. 14%10.71%37.93%A组与C组及B组与C组间比较差异均有显著性(P0.05)结论:术前化疗再手术配合术后放疗及辅助化疗可提高Ⅲ期乳腺癌疗效。

 

 

DIII 005

血管内皮细胞生长因子VEGF及受体在乳腺癌组织的表达

 

戴岳楚  潘 印

318000  浙江省台州市中心医院

 

  目的:探讨VEGF及其受体在乳腺癌恶性进展中的作用及机制。方法:使用逆转录聚合酶链反应(RT-PCR)及计算机条带分析半定量方法检测了VEGF异构体及受体mRNA在乳腺癌组织及癌周组织的表达水平。对VEGF121mRNAKDRmRNA表达水平和肿瘤大小,淋巴结转移及绝经前后的关系进行统计分析。结果:在乳腺癌组织及癌周组织均检测到VEGF3种异构体和KDRflt-1mRNA表达,VEGF121KDR在癌 组织表达水平明显高于癌周组织,在癌组织及癌周组织,VEGF121mRNA表达和KDRmRNA表达之间有明显直线正相关及回归依存关系,VEGF121KDRmRNA表达在肿瘤≥2cm;淋巴结阳性及绝经前组病人明显高于淋巴结阴性,肿瘤小于2cm和绝经后组病人。结论:VEGFKDR在乳腺癌组织的表达水平明显高于癌周组织,VEGF积极参与乳腺癌的新生血管增殖过程。

 

 

DIII 006

CMxF方案治疗复发转移性乳腺癌32例临床观察

 

国桂松  刘 宁  赵海波

272111  山东省济宁市第一人民医院肿瘤科

 

  目的:观察米托蒽醌(Mx)、环磷酰胺(CTX)和氟脲嘧啶(5-Fu)治疗复发转移性乳腺癌的临床效果和不良反应。方法:我们用 MxCTX5-Fu联合化疗方案治疗32例复发转移性患者,其中女30例,男2例,年龄28~73岁,中位年龄47岁。单纯癌14例,浸润性导管癌13例,髓样癌3例,炎性乳腺癌2例。淋巴结转移24例,肺转移10例,胸壁复发9例,软组织转移6例,骨转移8例,肝转移4例。方法:Mx12mg/ m2静脉推注,第1天;CTX 500mg/m2静脉推注,第18天;5-Fu 500mg/m2静脉滴注,第18天。34周一周期。均完成3周期。疗效和毒性评定均参照WHO(1981)评价标准,疗效分为CRPRNCPD,毒性分为O-Ⅳ度。结果:临床疗效32例中,CR3例,PR15例,NC8例,PD6例,有效率为56.25%。毒性反应:消化道反应占34.38%,白细胞下降占31.25%,血小板减少占28.13%结论:CMxF方案治疗复发转移性乳腺癌有较好疗效,对心电图不正常,年老体弱者可首选。

 

DIII 007

诺维本联合希罗达治疗晚期乳腺癌28例临床观察

 

姜秋颖  于常华  赫 文  信 涛   杨 宇  路 丹  王文秀  徐玉清

150086  哈尔滨医科大学附属二院肿瘤内科

 

  目的:观察诺维本为主的联合化疗治疗晚期乳腺癌的疗效及安全性。方法:28例具有可测量病灶的晚期乳腺癌者采用诺维本:6mg/m2,第1~5天,采用锁骨下静脉穿刺术中心静脉持续滴注(Civ)21天为一个周期。同时联合希罗达治疗2~4个周期。所有患者既往均接受过1种以上化疗方案的化疗,其中19例接受过阿霉素和()紫杉醇治疗。结果:28例患者中13例接受了2个周期化疗,15例完成4个周期的化疗。CR1例,PR6例,MR7例,SD7例,PD7例,有效率达50%。最常见的不良反应为中性粒细胞减少、手足综合症、神经毒性、皮肤色素沉着、乏力等。大约不到一半的病人出现3度以上的不良反应,其中中性粒细胞减少5例、神经毒性3例、手足综合症3例、皮肤色素沉着2例。结论:诺维本联合希罗达作为二线方案治疗晚期乳腺癌的疗效确切,且不良反应可以耐受,不脱发等。有望成为晚期乳腺癌的理想化疗方案。

 

DIII 008

Clinical Observation of Vinrebine Combined with Capecitabine in the Treatment of Advanced and Metastatic Breast Cancer

 

Jiang Qiuying, Yu Changhua, He Wen, Xin Tao, Yang Yu, Lu Dan, Wang Wenxiu, Xu Yuqing

150086  Department of Oncology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang

 

Objective: The efficiency and safety on vinorelbine combined with capecitabine in the treatment of advanced and metastatic breast cancer. Methods: All patients received vinorelbine 6mg/m2/d1-5 civ, cycles were repeated every 21days. Patients received capecitabine (xeloda) for 2-4cycles at the same time. Thepatients received more than one course of chemotherapy regiments and 19 patients had experienced adriamycin and paclitaxel treatment. Results: Thirteen patients received two cycles and fifteen patients received four cycles treatment. The overall response rate of 50 with one complete response and 6 partial response , seven  minor response , seven stable response and seven progressive disease were observed. The common side effects were nausea, neutronpenia, skin pigmentation, hand-foot synodrome, fatigue. Grade Ⅲ side effects occurred in about half of patients. Conclusion: The combination of vinorelbine and capecitabine in the treatment of metastatic breast cancer with a favorable toxicity and efficacy. It is possible become an ideal second line treatment for breast cancer.

 

DIII 009

异长春花碱联合顺铂治疗晚期乳腺癌的临床观察

 

柯玉华  杨 玲  肖志华

430079  湖北省肿瘤医院肿瘤内科

 

  目的:观察异长春花碱(NVB)加顺铂联合治疗晚期乳腺癌患者的效果。方法:38例曾行过乳腺癌根治术患者,经病理组织学或细胞学证实为复发、转移。用异长春花碱+顺铂方案化疗。客观疗效评价标准按照WHO标准评定。结果:38例患者中CR3(7.9%)PR18(47.3%)CR+PR21(55.2%)11例治疗2周期,其中4例部分缓解(36.3%)27例治疗4周期或以上者,完全缓解3例,部分缓解14例,有效率为62.9%;曾经用阿霉素治疗失败的患者有效率为50%(13/26)。淋巴结、肺、骨转移疗效较好,分别为71.4%60.0%50.0%,而胸膜,软组织转移疗效次之,肝组织疗效最差。结论:NVB+DDP联合治疗对缓解晚期乳腺癌患者疗效肯定,毒性反应可以耐受,可以作为晚期乳腺癌二线化疗方案。

 

DIII 010

乳腺癌根治术后复发转移临床因素分析

 

李 伟

117021  辽宁本溪市本钢胸科医院肿瘤内科

 

  目的:探讨乳腺癌术后复发转移的影响因素。方法:37例乳腺癌根治术后复发转移病例进行回顾性分析。结果:乳腺癌术后复发转移以头5年居多,局部复发以胸壁多个皮肤结节为主,远处转移以肺、锁骨上淋巴结及骨多见。不论术前有无淋巴结转移,均以绝经前病人术后转移明显高于绝经后患者,而术前有淋巴结转移者,术后复发转移的发生率较无淋巴结转移者明显增高,同时病期越早,复发转移也以绝经前居多,且以局部复发为主。结论:术前淋巴结阳性、绝经前、中央区乳腺癌及病理类型为浸润性非特殊型的局部晚期乳腺癌是根治术后易出现复发转移的主要因素。

 

DIII 011

早期乳腺癌保乳手术42例报告

 

李文萍  王 颀  许 娟  张安秦  陈中杨  杨剑敏  施军涛  郭庆禄

510010  广州医学院附属广东省妇儿医院

 

  目的:研究早期乳腺癌保乳手术的近期效果。方法:1998-2002年间的0(导管内癌)I期和部分II期乳腺癌患者共90例进行非随机对照研究,观察保乳术(42)和全乳切除术(48)的近期效果。结果:保乳术占同期乳腺癌手术的19%,保乳术组中位随访28个月,有2例局部复发(4.8%),均为0期乳腺癌,年龄均小于40岁;全乳切除术组中位随访31个月,无局部复发,但1例发生对侧乳腺癌(2.1%);两组均无远处转移及死亡病例。保乳术组美容效果满意率为92.9%。结论:保乳术也适于中国乳癌患者,美容效果满意,但存在一定的局部复发率,导管内癌局部处理较浸润癌更应慎重。

 

DIII 012

吡柔比星为主方案治疗晚期乳腺癌疗效观察

 

李晓凤  段爱文  巴彩霞  崔玉琴  王迎利

014030  包头市第七医院

 

  目的:观察吡柔比星(THP)治疗晚期乳腺癌的疗效和副作用。方法:28例晚期乳腺癌应用吡柔比星、异环磷酰胺及美司那治疗。方案:吡柔比星 25mg/m2  第一天静脉推注,异环磷酰胺1.2-1.4g  / m2第一至三天稀释后静脉点滴,美司那400mg / 048小时(用异环磷酰胺同时)静脉冲入。结果:治疗近期总有效率为67.8%,主要不良反应为骨髓抑制。结论:吡柔比星为主的化疗方案治疗晚期乳腺癌疗效好,不良反应可以耐受。

 

DIII 013

异长春化碱、5-氟脲嘧啶加顺铂联合方案
治疗转移性乳腺癌的临床观察

 

李志革  宋向群  于起涛  曾爱屏  周 达  何剑波  吴英德

530021  广西医科大学肿瘤医院

 

  目的:观察异长春化碱、5-氟脲嘧啶加顺铂联合方案治疗转移性乳腺癌的临床疗效。方法:19991月~200312月,52例转移性乳腺癌病人入组,均为女性,中位年龄47岁;未绝经者28例,已绝经者24例;ER阳性28(53.8%)PR阳性28(53.8%)。转移部位:中位转移部位3(范围16),其中肝转移21例,肺转移26例,骨转移32例,淋巴结转移35例,软组织(皮肤、胸膜、胸壁)转移23例。曾经行乳癌根治术或改良根治术48例,放射治疗46例,内分泌治疗46例,术后化疗47例,其中28例用过CMF方案,19例用过CAF方案。出现转移后用过1个方案化疗28例,2个方案化疗9例,所用药物主要为蒽环类或紫杉类。治疗方法:异长春化碱(NVB)25mg/m2 静滴,第15天;5-氟脲嘧啶(5-FU)1.0/天,持续24小时静滴,第13天;四氢叶酸钙(CF)100mg/天,静滴,第13天,在用5-FU前;顺铂(DDP)6080 mg/m2,静滴,分3天给药(345)21天为1个周期。结果:全组共化疗177个周期。中位周期数为3(范围16)6例行一周期化疗,其中1例因ARDS1例因骨髓转移血小板、白细胞严重减少而终止治疗,4例因其他原因拒绝继续化疗;另46例治疗至少两周期。故全组可评价疗效46例,其中CR14(30.4%)PR23(50.0%)SD9(19.6%),无进展(PD)病例,总有效率为80.4%。按ITT52例计算,CR26.9%PR44.2%,总有效率为71.2%。肝、肺、淋巴结和软组织的有效率分别为76.5%83.4%81.8%68.2%。全组中位生存期为12个月,中位缓解期为6个月。毒副反应方面,度白细胞下降率52.6%;血小板下降率为23.1%,贫血发生率为78.8%,大多为度;胃肠道反应发生率为86.2%,其中Ⅰ~Ⅱ度71.2%23.1%;周围神经毒性、便秘的发生率分别为21.2%34.6%结论:以异长春化碱为主,联合5-氟脲嘧啶、顺铂治疗转移性乳腺癌是有效安全的,可作为晚期乳腺癌尤其是有肝转移者的解救方案。

 

DIII 014

隐匿性乳腺癌的诊断和治疗

 

刘小旭  康华峰  王西京  薛兴欢  薛锋杰

710004  西安交通大学第二医院肿瘤外科

 

  目的:探讨隐匿性乳腺癌合理的诊断和治疗方法,提高诊断准确率和生存率。方法:回顾性分析本院19782002年收治的17例隐匿性乳腺癌的诊断和治疗经过及随访结果。结果:17例隐匿性乳腺癌首次诊断正确率为35.29%(6/17),钼靶X线摄片、增强CTMR影像学检查的准确率分别为53.85%(7/13)62.50%(5/8)60.00%(3/5), 腋下肿块穿刺活检准确率为100%(8/8)。8例患者行乳腺癌改良根治术前行2-4周期化疗,8例患者直接行乳腺癌改良根治术;1例保守治疗。术后辅助放、化疗和内分泌治疗。5年生存率68.75%(11/16)2例死于其他疾病,3例分别于术后4年、4年、2年死于脑、肺、纵膈转移。1例保守治疗患者发现后2年死于脑转移。术前化疗患者5年生存率75.00%(6/8),直接手术者62.50%(5/8)结论:提高认识和适宜的影象学检查能提高诊断准确率;次连续切片和影像学检查有助于原发灶的检出,术前化疗加乳癌改良根治术加术后辅助放、化疗、内分泌治疗是适宜的治疗方式。

 

DIII 015

青、老年乳腺癌淋巴结转移规律的分析

 

卢晓红

325007  浙江省温州市肿瘤医院

 

  目的:探讨青、老年乳腺癌淋巴结的转移规律。材料与方法:对我院19892000年间收治的青、老年乳腺癌患者118例。其中青年组乳腺癌58