质子重离子技术带来革新,肿瘤放射治疗进入新时代

2019-11-04 佚名 肿瘤资讯

质子重离子放疗被国际放疗界认为是当前最先进、最有发展前景的新一代放射治疗技术。上海市质子重离子医院是我国第一家也是目前唯一一家经过国家有关部门批准进行质子重离子放疗的医疗机构。为了分享临床、物理和运营经验。上海质子重离子医院蒋国梁教授分享肿瘤放射治疗的发展历程。

质子重离子放疗被国际放疗界认为是当前最先进、最有发展前景的新一代放射治疗技术。上海市质子重离子医院是我国第一家也是目前唯一一家经过国家有关部门批准进行质子重离子放疗的医疗机构。为了分享临床、物理和运营经验。上海质子重离子医院蒋国梁教授分享肿瘤放射治疗的发展历程。

数十年的发展,肿瘤放射治疗迎来质的变化

50年前,蒋国梁从上海第一医学院毕业,毕业后来到上海市肿瘤医院,即复旦大学附属肿瘤医院,开始放射治疗医生的生涯。一晃50年过去,与我刚刚做放疗科医生时相比,肿瘤放射治疗有很大的进步。50年前,放射治疗还处于二维放射治疗时代,放疗技术落后,影像技术亦不发达。当时还没有放射治疗计划系统、计算机技术尚未应用到肿瘤的放射治疗,随着科学技术的不断进步,尤其是计算机技术的发展,计算机技术应用于肿瘤放射治疗计划的设计、实施,给肿瘤放射治疗带来巨大的进步。

计算机技术的应用,使得肿瘤的治疗得以更为精确,在肿瘤治疗的放射治疗剂量计算时能够更为精确,使放疗从二维照射发展到三维照射。三维放射治疗的进步就是能够对肿瘤精准定位、精确打击。当然,即使是三维放射治疗,虽然与二维放射治疗相比已经有了很大的进步,但依然存在许多问题,如在放射线打击肿瘤的同时,射线对肿瘤周围正常组织还会出现损伤。治疗肿瘤的同时会带来治疗的毒性和副作用。患者在放疗结束后的几年、十几年需要面对放射治疗导致的正常组织损伤,即长期副反应。

闯过重重困难,质子重离子技术让中国患者可以接受最佳的放射治疗

随着科学技术的发展,高能物理学、计算机技术均出现革命性的进步。出现了质子重离子放射治疗,这是目前国际、国内的同行公认的最先进的放射治疗技术。质子重离子放疗不同于过去的放射治疗,其使用射线不同,既往放疗使用的是X线,现在使用粒子射线,主要是质子、重离子,重离子目前多为碳离子。而加速器也不同于普通加速器,是同步加速器或回旋加速器。通过加速器将带电粒子加速到接近光速,射入患者进行治疗。这是基于高能物理学的进步。通过加速器制造工业的发展,把高新技术应用到医学领域,治疗肿瘤患者。

质子重离子放疗在国际上已经有二十多年的历史。国际上的临床实践经验已经证实质子重离子放疗技术对肿瘤的控制程度比过去传统的X线放疗、调强放疗等均显着提高。对肿瘤周围正常组织的保护更好,因此患者治疗的毒性和副作用发生率显着降低。目前国际上已经有超过20万患者接受过质子重离子治疗。上海质子重离子医院是国内首家应用质子重离子放疗技术的医院。正是在上海市委市政府的大力支持下,历经十余年的艰苦奋斗,最终获得成功,得以让质子重离子技术给患者带来更好的疗效、更高的生活质量。

共同进步,让新技术给更多患者带来更多获益

上海市质子重离子医院至今已经治疗超过2300例患者。治疗结果与国际报道数据基本一致。肿瘤治疗的疗效、控制率较普通X线放疗显着升高,而副作用显着降低。患者生活质量得以改善。

考虑到我国质子重离子技术的临床需求,上海市质子重离子医院再次举办了本届质子重离子放疗技术全国继续教育学习班,希望能够把过去5年中我们的临床治疗与放射物理学的应用经验、教训传达给国内同行,让他们少走弯路,让新技术更好地治疗患者,给患者带来获益。

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