微波热疗有望帮助乳癌患者保留乳房

让我们一起缔造青春不老的传说。。。
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微波热疗有望帮助乳癌患者保留乳房(转载)

  据一项初步研究说,早期乳腺癌患者在行乳癌切除术前用高热微波来杀肿瘤可以显著减少对毁体手术的需要。

  主要研究人员、美国加州大学哈勃医疗中心外科肿瘤科主任瓦嘎斯(Hernan Varga)说,在这个I期试验中,25位用此试验性微波治疗的病人中有24人患区没有残余肿瘤细胞;而通常乳癌切除术后只有20-25%的病人才会如此。许多有残余癌细胞的病人需要进一步手术。本结论是在洛杉矶美国外科肿瘤学会的一个会议上提交的。

  通常当某女性患乳癌时,须行肿瘤切除术,晚期病人需要行乳房切除术。聚焦微波技术通过热力来毁坏癌细胞,而不会伤害健康细胞,因为后者含有的水分少得多,所以对热损害的敏感度也小得多。该疗法最常见的副作用有疼痛、发红和肿胀,一位病人被烧伤,皮肤坏死。“如果证实它有效,该方法将在乳癌治疗和保留乳房上迈出重要一步”,瓦嘎斯说。

  由Celsion公司研制,所使用的微波技术得到了麻省技术研究所的许可,它来源于“星际战争”中用以发现和摧毁导弹的防御技术。这套能将微波聚集来追踪导弹轨迹的软件被改装成直接针对恶性肿瘤细胞的电磁波。一个完全随机化的II期试验正在进行之中,它将比较微波热疗和肿瘤切除术对早期乳癌的效果。另外,Celsion公司还在进行一个联用微波热疗与化疗来减小较大的、晚期乳癌的研究,这样就能实行乳房部分切除术或肿瘤切除术。

  塞达斯西奈医疗中心的乳腺外科医生卡兰(Scott Karlan)指出,该方法对简化乳癌治疗大有希望。
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