光动力治疗胆道肿瘤效果明显

2014-01-29 佚名 不详

东方肝胆外科医院内镜科胡冰教授课题组近期采用国际前沿技术内镜光动力治疗胆管肿瘤,取得良好效果。目前已成功治疗包括肝门部胆管癌、壶腹癌、肝癌侵犯胆管、胆道产粘蛋白性肿瘤患者10名。术后3个月复查等初步临床结果显示,所有患者黄疸均明显消退,肿瘤有不同程度得缩小,消化道梗阻的情况明显改善,饮食及营养状况显著改观。这一治疗方法为目前缺乏有效治疗手段的中晚期胆道肿瘤患者带来了新希望。

东方肝胆外科医院内镜科胡冰教授课题组近期采用国际前沿技术内镜光动力治疗胆管肿瘤,取得良好效果。目前已成功治疗包括肝门部胆管癌、壶腹癌、肝癌侵犯胆管、胆道产粘蛋白性肿瘤患者10名。术后3个月复查等初步临床结果显示,所有患者黄疸均明显消退,肿瘤有不同程度得缩小,消化道梗阻的情况明显改善,饮食及营养状况显著改观。这一治疗方法为目前缺乏有效治疗手段的中晚期胆道肿瘤患者带来了新希望。

光动力治疗原理是,先将光敏剂注入体内, 48小时~72小时后,光敏剂从正常组织逐渐清除而肿瘤组织仍存留高浓度的光敏剂,此时以特定波长的激光在肿瘤局部进行照射,光敏剂吸收光能后,启动光化学反应,引发肿瘤细胞的凋亡和坏死。内镜光动力治疗胆道肿瘤,无需外科手术和全身麻醉,借助内窥镜将特殊的激光源从口腔导入体内,经十二指肠乳头插入胆道系统,在内镜及放射造影的双重精确定位下,对肿瘤部位进行照射,激发光化学反应。这一治疗方法既能解除胆道梗阻,又可降低肿瘤负荷,提高患者生活质量。

胡冰介绍,胆道肿瘤列消化系恶性肿瘤第6位,起病隐匿,多数患者确诊时已丧失手术机会。

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