EGMN:结直肠肿瘤不必分期手术

2013-01-06 佚名 EGMN

Dr. Timothy Pawlik   佛罗里达州棕榈滩——对4个国际中心1000例以上患者的回顾性研究显示,原发性结直肠癌和相关肝脏转移病灶同时切除与分期切除的效果相同。约翰霍普金斯大学的Timothy M. Pawlik医生在南方外科学会年会上说:“同步切除结直肠和肝脏转移病灶患者的长期结局取决于肿瘤的生物学特性,而非手术策略。”   约有1/4的晚期结直肠癌患者同时伴有肝脏转移,外


Dr. Timothy Pawlik

  佛罗里达州棕榈滩——对4个国际中心1000例以上患者的回顾性研究显示,原发性结直肠癌和相关肝脏转移病灶同时切除与分期切除的效果相同。约翰霍普金斯大学的Timothy M. Pawlik医生在南方外科学会年会上说:“同步切除结直肠和肝脏转移病灶患者的长期结局取决于肿瘤的生物学特性,而非手术策略。”

  约有1/4的晚期结直肠癌患者同时伴有肝脏转移,外科医生通常采用3种不同的切除策略。经典的方法为分期切除,首先切除原发的结直肠癌病灶,之后在另一次独立的手术中切除肝脏病灶。在很少数的病例中,采用相反的分期切除方法,即首先切除肝脏病灶,之后再切除原发性肿瘤。第三种选择为在一次手术中将原发病灶和肝脏转移病灶同时切除。迄今为止,对这些方法进行比较的评估多数使用的是来自单中心的数据,一些病例回顾中仅纳入较少的患者。

  Pawlik及其合作者进行的这项研究纳入了1982~2011年间在美国和欧洲的4个大型肝胆中心接受治疗的1,004例患者。其中包括647例首先切除原发性结直肠肿瘤之后在第二次手术中切除肝脏转移病灶的患者,329例在一次手术中切除上述两种病灶的患者,以及28例首先切除肝脏转移病灶之后在第二次手术中切除原发肿瘤的患者。

  结果显示,使用不同切除方法的患者在任何结局指标方面均无统计学差异,包括并发症发生率、90天死亡率、局部复发率、中位生存时间或5年生存率。例如,在中位34个月的随访期间,经典分期切除组和同步切除组患者的复发率分别为57%和60%,无统计学差异。在一项对随访期间死亡率相关因素的多变量回归分析中,与经典分期切除方法相比,同步切除组的死亡率增高8%,但这一差异也不具有统计学意义。

  研究者总结认为,晚期结直肠癌伴肝脏转移分期切除或一次性切除对患者结局的影响无差异,“长期生存与疾病的部位和程度相关,而与手术策略无关”。

原文阅读:Staged surgery found unnecessary for colorectal tumors



    

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