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目的:探讨结直肠癌根治术后复发模式。方法:回顾性分析1990年至1999年行根治术的692例结直肠癌病例,术后出现复发162例。结果:复发转移率23·4%(162/692),复发转移在术后2年内出现者占74·1%(120/162),3年内出现者占92·0%(149/162)。结肠癌、直肠癌术后复发转移率分别为16·3%(46/282)、28·3%(116/410)。结肠癌69·6%(32/46)为单纯远处转移,最常见的远处转移位置是肝脏。直肠癌41·4%(48/116)为单纯局部复发,10·3%(12/116)为兼有局部复发和远处转移。结论:结直肠癌术后2~3年应加强随访。结肠癌术后最常见的复发是远处转移,直肠癌则为局部复发。
Objective: To investigate the recurrence pattern of colorectal cancer after radical surgery. Methods: A retrospective analysis of 692 cases of colorectal cancer who underwent radical mastectomy between 1990 and 1999 was performed. There were 162 cases of recurrence after operation. Results: The rate of recurrence and metastasis was 23.4% (162/692). The recurrence rate was 74.1% (120/1662) in 2 years after surgery and 92.0% (149/162) in 3 years. Postoperative recurrence and metastasis rates of colon cancer and rectal cancer were 16.3% (46/282) and 28.3% (116/410), respectively. 69.6% (32/46) of colon cancer was simple distant metastasis, and the most common distant metastasis was liver. Rectal cancer 41.4% (48/116) was a simple local recurrence, while 10.3% (12/116) had both local recurrence and distant metastasis. Conclusion: Colorectal cancer should be followed up 2 to 3 years after operation. Colon cancer is the most common recurrence of distant metastasis, rectal cancer is a local recurrence.