Recurrence Pattern Depends on the Location of Colon Cancer in the Patients with Synchronous Colorectal Liver Metastasis
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- 作者：Huisong Lee MD (1)
Dong Wook Choi MD ; PhD (1)
Yong Beom Cho MD ; PhD (1)
Seong Hyeon Yun MD ; PhD (1)
Hee Cheol Kim MD ; PhD (1)
Woo Yong Lee MD ; PhD (1)
Jin Seok Heo MD ; PhD (1)
Seong Ho Choi MD ; PhD (1)
Kyung Uk Jung MD (2)
Ho-Kyung Chun MD ; PhD (2) - 刊名：Annals of Surgical Oncology
- 出版年：2014
- 出版时间：May 2014
- 年：2014
- 卷：21
- 期：5
- 页码：1641-1646
- 全文大小：299 KB
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Dong Wook Choi MD, PhD (1)
Yong Beom Cho MD, PhD (1)
Seong Hyeon Yun MD, PhD (1)
Hee Cheol Kim MD, PhD (1)
Woo Yong Lee MD, PhD (1)
Jin Seok Heo MD, PhD (1)
Seong Ho Choi MD, PhD (1)
Kyung Uk Jung MD (2)
Ho-Kyung Chun MD, PhD (2)
1. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2. Department of Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea - ISSN：1534-4681
文摘
Background The veins from the lower rectum drain into the systemic venous system, while those from other parts of the colon drain into the portal venous system. The aim of this study was to investigate recurrence pattern and survival according to the anatomical differences in patients with colorectal liver metastases (CRLM). Methods From October 1994 to December 2009, synchronous CRLM patients who underwent surgery were identified from our prospectively collected database. The patients were excluded if there had been extrahepatic metastases. The patients were divided into two groups according to the location of the primary colorectal cancer: lower rectal cancer (group 1) and upper rectal or colon cancer (group 2). The recurrence patterns and survival were investigated. Results A total of 316 patients were included: 53 patients in group 1 and 263 patients in group 2. After a median follow-up of 37?months, the extrahepatic recurrence curve of group 1 was superior to that of group 2 (P?<?0.001), although there was no difference between the hepatic recurrence curves (P?=?0.93). The disease-free and overall survival curves of group 1 were inferior to those of group 2 (P?=?0.004) (P?<?0.001). Lower rectal cancer was a significant risk factor for extrahepatic recurrence in Cox proportional hazard model analysis (hazard ratio?=?1.7, P?=?0.04). Conclusions The extrahepatic recurrence rate is high in lower rectal cancer patients after surgical treatment for synchronous CRLM.